12565012 has 24 divisors (see below), whose sum is σ = 22522752. Its totient is φ = 6132000.

The previous prime is 12565009. The next prime is 12565019. The reversal of 12565012 is 21056521.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12565019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42738 + ... + 43030.

It is an arithmetic number, because the mean of its divisors is an integer number (938448).

Almost surely, 2^12565012 is an apocalyptic number.

It is an amenable number.

12565012 is a deficient number, since it is larger than the sum of its proper divisors (9957740).

12565012 is a wasteful number, since it uses less digits than its factorization.

12565012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 12565012 is about 3544.7160676139. The cubic root of 12565012 is about 232.4810914595.

The spelling of 12565012 in words is "twelve million, five hundred sixty-five thousand, twelve".