12993564 has 24 divisors (see below), whose sum is σ = 30381568. Its totient is φ = 4322160.

The previous prime is 12993509. The next prime is 12993571. The reversal of 12993564 is 46539921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7509 + ... + 9075.

Almost surely, 2^12993564 is an apocalyptic number.

It is an amenable number.

12993564 is an abundant number, since it is smaller than the sum of its proper divisors (17388004).

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

12993564 is a wasteful number, since it uses less digits than its factorization.

12993564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265 (or 2263 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 12993564 is about 3604.6586523553. The cubic root of 12993564 is about 235.0946593154.

The spelling of 12993564 in words is "twelve million, nine hundred ninety-three thousand, five hundred sixty-four".