12913039 has 2 divisors, whose sum is σ = 12913040. Its totient is φ = 12913038.

The previous prime is 12913003. The next prime is 12913123. The reversal of 12913039 is 93031921.

It is a weak prime.

It is an emirp because it is prime and its reverse (93031921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12913039 - 2⁹ = 12912527 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12912998 and 12913016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12913139) 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, 6456519 + 6456520.

It is an arithmetic number, because the mean of its divisors is an integer number (6456520).

Almost surely, 2^12913039 is an apocalyptic number.

12913039 is a deficient number, since it is larger than the sum of its proper divisors (1).

12913039 is an equidigital number, since it uses as much as digits as its factorization.

12913039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 12913039 is about 3593.4717196605. The cubic root of 12913039 is about 234.6080019810.

The spelling of 12913039 in words is "twelve million, nine hundred thirteen thousand, thirty-nine".