12904207 has 8 divisors (see below), whose sum is σ = 13718592. Its totient is φ = 12096000.

The previous prime is 12904193. The next prime is 12904223. The reversal of 12904207 is 70240921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12904207 - 2⁷ = 12904079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12904237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3207 + ... + 6007.

It is an arithmetic number, because the mean of its divisors is an integer number (1714824).

Almost surely, 2^12904207 is an apocalyptic number.

12904207 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12904207 is a deficient number, since it is larger than the sum of its proper divisors (814385).

12904207 is a wasteful number, since it uses less digits than its factorization.

12904207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 12904207 is about 3592.2426143010. The cubic root of 12904207 is about 234.5545022987.

The spelling of 12904207 in words is "twelve million, nine hundred four thousand, two hundred seven".