12560538 has 32 divisors (see below), whose sum is σ = 26703360. Its totient is φ = 3931200.

The previous prime is 12560533. The next prime is 12560543. The reversal of 12560538 is 83506521.

It is an interprime number because it is at equal distance from previous prime (12560533) and next prime (12560543).

It is a super-2 number, since 2×12560538² = 315534229698888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12560533) 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, 5463 + ... + 7413.

It is an arithmetic number, because the mean of its divisors is an integer number (834480).

Almost surely, 2^12560538 is an apocalyptic number.

12560538 is an abundant number, since it is smaller than the sum of its proper divisors (14142822).

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

12560538 is a wasteful number, since it uses less digits than its factorization.

12560538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 12560538 is about 3544.0849312622. The cubic root of 12560538 is about 232.4534951501.

The spelling of 12560538 in words is "twelve million, five hundred sixty thousand, five hundred thirty-eight".