1312562507 has 2 divisors, whose sum is σ = 1312562508. Its totient is φ = 1312562506.

The previous prime is 1312562497. The next prime is 1312562509. The reversal of 1312562507 is 7052652131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1312562507 - 2⁶ = 1312562443 is a prime.

Together with 1312562509, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1312562509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656281253 + 656281254.

It is an arithmetic number, because the mean of its divisors is an integer number (656281254).

Almost surely, 2^1312562507 is an apocalyptic number.

1312562507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312562507 is an equidigital number, since it uses as much as digits as its factorization.

1312562507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 1312562507 is about 36229.3045337611. The cubic root of 1312562507 is about 1094.8971656867.

The spelling of 1312562507 in words is "one billion, three hundred twelve million, five hundred sixty-two thousand, five hundred seven".