12804090 has 32 divisors (see below), whose sum is σ = 33094656. Its totient is φ = 3151680.

The previous prime is 12804061. The next prime is 12804107. The reversal of 12804090 is 9040821.

It is a self number, because there is not a number n which added to its sum of digits gives 12804090.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16026 + ... + 16805.

It is an arithmetic number, because the mean of its divisors is an integer number (1034208).

Almost surely, 2^12804090 is an apocalyptic number.

12804090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12804090 is an abundant number, since it is smaller than the sum of its proper divisors (20290566).

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

12804090 is a wasteful number, since it uses less digits than its factorization.

12804090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32854.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 12804090 is about 3578.2803132231. The cubic root of 12804090 is about 233.9463314716.

The spelling of 12804090 in words is "twelve million, eight hundred four thousand, ninety".