12804392 has 16 divisors (see below), whose sum is σ = 24135540. Its totient is φ = 6368256.

The previous prime is 12804377. The next prime is 12804397. The reversal of 12804392 is 29340821.

It can be written as a sum of positive squares in 2 ways, for example, as 11792356 + 1012036 = 3434^2 + 1006^2 .

It is not an unprimeable number, because it can be changed into a prime (12804397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2603 + ... + 5690.

Almost surely, 2^12804392 is an apocalyptic number.

It is an amenable number.

12804392 is a deficient number, since it is larger than the sum of its proper divisors (11331148).

12804392 is a wasteful number, since it uses less digits than its factorization.

12804392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8492 (or 8488 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 12804392 is about 3578.3225120159. The cubic root of 12804392 is about 233.9481707598.

The spelling of 12804392 in words is "twelve million, eight hundred four thousand, three hundred ninety-two".