12904369 has 2 divisors, whose sum is σ = 12904370. Its totient is φ = 12904368.

The previous prime is 12904349. The next prime is 12904373. The reversal of 12904369 is 96340921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12873744 + 30625 = 3588^2 + 175^2 .

It is a cyclic number.

It is not a de Polignac number, because 12904369 - 2⁵ = 12904337 is a prime.

It is a super-2 number, since 2×12904369² = 333045478576322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12904319) 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 as a sum of consecutive naturals, namely, 6452184 + 6452185.

It is an arithmetic number, because the mean of its divisors is an integer number (6452185).

Almost surely, 2^12904369 is an apocalyptic number.

It is an amenable number.

12904369 is a deficient number, since it is larger than the sum of its proper divisors (1).

12904369 is an equidigital number, since it uses as much as digits as its factorization.

12904369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 12904369 is about 3592.2651628186. The cubic root of 12904369 is about 234.5554838305. Note that the first 3 decimals are identical.

The spelling of 12904369 in words is "twelve million, nine hundred four thousand, three hundred sixty-nine".