13512405391 has 2 divisors, whose sum is σ = 13512405392. Its totient is φ = 13512405390.

The previous prime is 13512405353. The next prime is 13512405397. The reversal of 13512405391 is 19350421531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13512405391 - 2¹¹ = 13512403343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13512405397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6756202695 + 6756202696.

It is an arithmetic number, because the mean of its divisors is an integer number (6756202696).

Almost surely, 2^13512405391 is an apocalyptic number.

13512405391 is a deficient number, since it is larger than the sum of its proper divisors (1).

13512405391 is an equidigital number, since it uses as much as digits as its factorization.

13512405391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 34.

The spelling of 13512405391 in words is "thirteen billion, five hundred twelve million, four hundred five thousand, three hundred ninety-one".