12912413 has 2 divisors, whose sum is σ = 12912414. Its totient is φ = 12912412.

The previous prime is 12912391. The next prime is 12912433. The reversal of 12912413 is 31421921.

12912413 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11002489 + 1909924 = 3317^2 + 1382^2 .

It is a cyclic number.

It is not a de Polignac number, because 12912413 - 2⁸ = 12912157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12912433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6456206 + 6456207.

It is an arithmetic number, because the mean of its divisors is an integer number (6456207).

Almost surely, 2^12912413 is an apocalyptic number.

It is an amenable number.

12912413 is a deficient number, since it is larger than the sum of its proper divisors (1).

12912413 is an equidigital number, since it uses as much as digits as its factorization.

12912413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 23.

The square root of 12912413 is about 3593.3846162080. The cubic root of 12912413 is about 234.6042108006.

The spelling of 12912413 in words is "twelve million, nine hundred twelve thousand, four hundred thirteen".