13311937 has 2 divisors, whose sum is σ = 13311938. Its totient is φ = 13311936.

The previous prime is 13311929. The next prime is 13311943. The reversal of 13311937 is 73911331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9247681 + 4064256 = 3041^2 + 2016^2 .

It is a cyclic number.

It is not a de Polignac number, because 13311937 - 2³ = 13311929 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13311437) 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, 6655968 + 6655969.

It is an arithmetic number, because the mean of its divisors is an integer number (6655969).

Almost surely, 2^13311937 is an apocalyptic number.

It is an amenable number.

13311937 is a deficient number, since it is larger than the sum of its proper divisors (1).

13311937 is an equidigital number, since it uses as much as digits as its factorization.

13311937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1701, while the sum is 28.

The square root of 13311937 is about 3648.5527267671. The cubic root of 13311937 is about 236.9993115993. Note that the first 3 decimals are identical.

The spelling of 13311937 in words is "thirteen million, three hundred eleven thousand, nine hundred thirty-seven".