12750564 has 12 divisors (see below), whose sum is σ = 29751344. Its totient is φ = 4250184.

The previous prime is 12750559. The next prime is 12750571. The reversal of 12750564 is 46505721.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531262 + ... + 531285.

Almost surely, 2^12750564 is an apocalyptic number.

It is an amenable number.

12750564 is an abundant number, since it is smaller than the sum of its proper divisors (17000780).

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

12750564 is a wasteful number, since it uses less digits than its factorization.

12750564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062554 (or 1062552 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 12750564 is about 3570.7931891948. The cubic root of 12750564 is about 233.6198810642.

The spelling of 12750564 in words is "twelve million, seven hundred fifty thousand, five hundred sixty-four".