12904307 has 8 divisors (see below), whose sum is σ = 14028336. Its totient is φ = 11799072.

The previous prime is 12904291. The next prime is 12904313. The reversal of 12904307 is 70340921.

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 12904307 - 2⁴ = 12904291 is a prime.

It is a super-2 number, since 2×12904307² = 333042278300498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12904337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3248 + ... + 6029.

It is an arithmetic number, because the mean of its divisors is an integer number (1753542).

Almost surely, 2^12904307 is an apocalyptic number.

12904307 is a deficient number, since it is larger than the sum of its proper divisors (1124029).

12904307 is a wasteful number, since it uses less digits than its factorization.

12904307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9397.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 12904307 is about 3592.2565331557. The cubic root of 12904307 is about 234.5551081835. Note that the first 3 decimals are identical.

The spelling of 12904307 in words is "twelve million, nine hundred four thousand, three hundred seven".