12809572 has 24 divisors (see below), whose sum is σ = 24362240. Its totient is φ = 5870880.

The previous prime is 12809557. The next prime is 12809593. The reversal of 12809572 is 27590821.

12809572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 363 + ... + 5074.

Almost surely, 2^12809572 is an apocalyptic number.

It is an amenable number.

12809572 is a deficient number, since it is larger than the sum of its proper divisors (11552668).

12809572 is a wasteful number, since it uses less digits than its factorization.

12809572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5491 (or 5489 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 12809572 is about 3579.0462416683. The cubic root of 12809572 is about 233.9797143152.

The spelling of 12809572 in words is "twelve million, eight hundred nine thousand, five hundred seventy-two".