12572920 has 32 divisors (see below), whose sum is σ = 28390320. Its totient is φ = 5011200.

The previous prime is 12572909. The next prime is 12572969. The reversal of 12572920 is 2927521.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20620 + ... + 21220.

Almost surely, 2^12572920 is an apocalyptic number.

12572920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12572920 is an abundant number, since it is smaller than the sum of its proper divisors (15817400).

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

12572920 is a wasteful number, since it uses less digits than its factorization.

12572920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135 (or 1131 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 12572920 is about 3545.8313552678. The cubic root of 12572920 is about 232.5298531829.

The spelling of 12572920 in words is "twelve million, five hundred seventy-two thousand, nine hundred twenty".