12803564 has 6 divisors (see below), whose sum is σ = 22406244. Its totient is φ = 6401780.

The previous prime is 12803561. The next prime is 12803569. The reversal of 12803564 is 46530821.

It is a super-2 number, since 2×12803564² = 327862502204192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12803561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600442 + ... + 1600449.

It is an arithmetic number, because the mean of its divisors is an integer number (3734374).

Almost surely, 2^12803564 is an apocalyptic number.

It is an amenable number.

12803564 is a deficient number, since it is larger than the sum of its proper divisors (9602680).

12803564 is a wasteful number, since it uses less digits than its factorization.

12803564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200895 (or 3200893 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 12803564 is about 3578.2068134752. The cubic root of 12803564 is about 233.9431278740.

The spelling of 12803564 in words is "twelve million, eight hundred three thousand, five hundred sixty-four".