12875644 has 6 divisors (see below), whose sum is σ = 22532384. Its totient is φ = 6437820.

The previous prime is 12875617. The next prime is 12875669. The reversal of 12875644 is 44657821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1609452 + ... + 1609459.

Almost surely, 2^12875644 is an apocalyptic number.

It is an amenable number.

12875644 is a deficient number, since it is larger than the sum of its proper divisors (9656740).

12875644 is a wasteful number, since it uses less digits than its factorization.

12875644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3218915 (or 3218913 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 12875644 is about 3588.2647616919. The cubic root of 12875644 is about 234.3813151247.

The spelling of 12875644 in words is "twelve million, eight hundred seventy-five thousand, six hundred forty-four".