12904090 has 16 divisors (see below), whose sum is σ = 23369472. Its totient is φ = 5130064.

The previous prime is 12904079. The next prime is 12904103. The reversal of 12904090 is 9040921.

12904090 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, 2194 + ... + 5533.

It is an arithmetic number, because the mean of its divisors is an integer number (1460592).

Almost surely, 2^12904090 is an apocalyptic number.

12904090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12904090 is a deficient number, since it is larger than the sum of its proper divisors (10465382).

12904090 is a wasteful number, since it uses less digits than its factorization.

12904090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7901.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 12904090 is about 3592.2263291725. The cubic root of 12904090 is about 234.5537934095.

The spelling of 12904090 in words is "twelve million, nine hundred four thousand, ninety".