12224716 has 36 divisors (see below), whose sum is σ = 25181688. Its totient is φ = 5177088.

The previous prime is 12224701. The next prime is 12224731. The reversal of 12224716 is 61742221.

It is an interprime number because it is at equal distance from previous prime (12224701) and next prime (12224731).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18691 + ... + 19333.

Almost surely, 2^12224716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12224716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12590844).

12224716 is an abundant number, since it is smaller than the sum of its proper divisors (12956972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12224716 is a wasteful number, since it uses less digits than its factorization.

12224716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758 (or 749 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 12224716 is about 3496.3861342821. The cubic root of 12224716 is about 230.3631063531.

Adding to 12224716 its reverse (61742221), we get a palindrome (73966937).

The spelling of 12224716 in words is "twelve million, two hundred twenty-four thousand, seven hundred sixteen".