13315937 has 2 divisors, whose sum is σ = 13315938. Its totient is φ = 13315936.

The previous prime is 13315933. The next prime is 13315961. The reversal of 13315937 is 73951331.

13315937 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10784656 + 2531281 = 3284^2 + 1591^2 .

It is a cyclic number.

It is not a de Polignac number, because 13315937 - 2² = 13315933 is a prime.

It is a zygodrome in base 7.

It is not a weakly prime, because it can be changed into another prime (13315931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6657968 + 6657969.

It is an arithmetic number, because the mean of its divisors is an integer number (6657969).

Almost surely, 2^13315937 is an apocalyptic number.

It is an amenable number.

13315937 is a deficient number, since it is larger than the sum of its proper divisors (1).

13315937 is an equidigital number, since it uses as much as digits as its factorization.

13315937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8505, while the sum is 32.

The square root of 13315937 is about 3649.1008481542. The cubic root of 13315937 is about 237.0230472462.

The spelling of 13315937 in words is "thirteen million, three hundred fifteen thousand, nine hundred thirty-seven".