12924225 has 48 divisors (see below), whose sum is σ = 24373440. Its totient is φ = 6710400.

The previous prime is 12924221. The next prime is 12924257. The reversal of 12924225 is 52242921.

It is a happy number.

It is not a de Polignac number, because 12924225 - 2² = 12924221 is a prime.

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 (12924221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27442 + ... + 27908.

It is an arithmetic number, because the mean of its divisors is an integer number (507780).

Almost surely, 2^12924225 is an apocalyptic number.

12924225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12924225 is a deficient number, since it is larger than the sum of its proper divisors (11449215).

12924225 is a wasteful number, since it uses less digits than its factorization.

12924225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527 (or 516 counting only the distinct ones).

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

The square root of 12924225 is about 3595.0278163041. The cubic root of 12924225 is about 234.6757259742.

The spelling of 12924225 in words is "twelve million, nine hundred twenty-four thousand, two hundred twenty-five".