12804993 has 32 divisors (see below), whose sum is σ = 20240000. Its totient is φ = 7978176.

The previous prime is 12804983. The next prime is 12805007. The reversal of 12804993 is 39940821.

It is not a de Polignac number, because 12804993 - 2⁴ = 12804977 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12804983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55803 + ... + 56031.

It is an arithmetic number, because the mean of its divisors is an integer number (632500).

Almost surely, 2^12804993 is an apocalyptic number.

It is an amenable number.

12804993 is a deficient number, since it is larger than the sum of its proper divisors (7435007).

12804993 is a wasteful number, since it uses less digits than its factorization.

12804993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 12804993 is about 3578.4064889277. The cubic root of 12804993 is about 233.9518309792.

The spelling of 12804993 in words is "twelve million, eight hundred four thousand, nine hundred ninety-three".