12965564 has 12 divisors (see below), whose sum is σ = 23421888. Its totient is φ = 6273600.

The previous prime is 12965551. The next prime is 12965567. The reversal of 12965564 is 46556921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12965567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52157 + ... + 52404.

It is an arithmetic number, because the mean of its divisors is an integer number (1951824).

Almost surely, 2^12965564 is an apocalyptic number.

It is an amenable number.

12965564 is a deficient number, since it is larger than the sum of its proper divisors (10456324).

12965564 is a wasteful number, since it uses less digits than its factorization.

12965564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104596 (or 104594 counting only the distinct ones).

The product of its digits is 64800, while the sum is 38.

The square root of 12965564 is about 3600.7726948531. The cubic root of 12965564 is about 234.9256683576.

The spelling of 12965564 in words is "twelve million, nine hundred sixty-five thousand, five hundred sixty-four".