12927565 has 16 divisors (see below), whose sum is σ = 18772992. Its totient is φ = 8342784.

The previous prime is 12927529. The next prime is 12927571. The reversal of 12927565 is 56572921.

It is not a de Polignac number, because 12927565 - 2⁷ = 12927437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10269 + ... + 11458.

It is an arithmetic number, because the mean of its divisors is an integer number (1173312).

Almost surely, 2^12927565 is an apocalyptic number.

It is an amenable number.

12927565 is a deficient number, since it is larger than the sum of its proper divisors (5845427).

12927565 is a wasteful number, since it uses less digits than its factorization.

12927565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21756.

The product of its digits is 37800, while the sum is 37.

The square root of 12927565 is about 3595.4923167767. The cubic root of 12927565 is about 234.6959399371.

The spelling of 12927565 in words is "twelve million, nine hundred twenty-seven thousand, five hundred sixty-five".