1312938967 has 2 divisors, whose sum is σ = 1312938968. Its totient is φ = 1312938966.

The previous prime is 1312938959. The next prime is 1312938971. The reversal of 1312938967 is 7698392131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1312938967 - 2³ = 1312938959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1312938967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312938997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656469483 + 656469484.

It is an arithmetic number, because the mean of its divisors is an integer number (656469484).

Almost surely, 2^1312938967 is an apocalyptic number.

1312938967 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312938967 is an equidigital number, since it uses as much as digits as its factorization.

1312938967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 49.

The square root of 1312938967 is about 36234.4996791732. The cubic root of 1312938967 is about 1095.0018325970.

The spelling of 1312938967 in words is "one billion, three hundred twelve million, nine hundred thirty-eight thousand, nine hundred sixty-seven".