Finding Even - Odd Numbers in Arrays and calculating largest number

/*
		Humza Khawar 
		Calculating Even Numbers, average, greatest Number
		in arrays through functions 
*/
#include<stdio.h>
int Even_Checker(int[]);	//function to check for even numbers by calculating factors
int Greatest_Num_Calculator(int[]);	//function to check greatest number
float Avg_Calculator(int[]);	//function to calculate average
int main() 
{
	int  array[12] = { 0 };		//initialization of array

		for (int i = 0; i < 12; i++)	//loop to take input
		{
			printf("\nEnter Number %d : ",i+1);	//taking numbers input in array
			scanf("%d", &array[i]);
		}

	printf("\n Array Entries:\n");

		for (int i = 0; i < 12; i++)	//loop to print array entries
		{
			printf("\t%2d", array[i]);	
		}
	printf("\n\n Total Even numbers in array = %d\n", EvenChecker(array)); //printing quantity of even numbers
	printf("\n Average of numbers in array = %.2f\n", Avg_Calculator(array)); //printing average of numbers
	printf("\n Greatest numbers in array = %d\n", Greatest_Num_Calculator(array)); //printing the greatest number in the array

	return 0;
}

int EvenChecker(int array[]) {	//function to check for even numbers by calculating factors

	int even_counter = 0;	//counter to check factors
	for (int i = 0; i < 12; i++)	
	{
		if (array[i]% 2 == 0)
		{
			even_counter++;		//calculates factors of the number
		}

	}
	return even_counter;
}

float Avg_Calculator(int array[]) //function to calculate average
{
	float  avg = 0, sum = 0;	//initialization of variables

	for (int i = 0; i < 12; i++)	//loop to calculate the sum of entries in the array
	{
		sum += array[i];
	}
	avg = (sum / 12); //calculating the average of numbers
	return avg;
}

int Greatest_Num_Calculator(int array[])	//function to check greatest number
{
	int greatest_num = array[0]; //initializing greatest integer variable to first array element
	for (int i = 0; i < 12; i++)
	{
		if (greatest_num < array[i]) {	//comparing greatest integer variable with every array element
			greatest_num = array[i];	//initializing greatest integer variable to the next greater number
		}
	}
	return greatest_num;
}