12925224 has 64 divisors (see below), whose sum is σ = 38673600. Its totient is φ = 3976128.

The previous prime is 12925223. The next prime is 12925261. The reversal of 12925224 is 42252921.

It is a happy number.

It is a super-2 number, since 2×12925224² = 334122830900352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12925223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507 + ... + 5109.

It is an arithmetic number, because the mean of its divisors is an integer number (604275).

Almost surely, 2^12925224 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 12925224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19336800).

12925224 is an abundant number, since it is smaller than the sum of its proper divisors (25748376).

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

12925224 is a wasteful number, since it uses less digits than its factorization.

12925224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4631 (or 4621 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 12925224 is about 3595.1667555205. The cubic root of 12925224 is about 234.6817723718.

The spelling of 12925224 in words is "twelve million, nine hundred twenty-five thousand, two hundred twenty-four".