13238307 has 12 divisors (see below), whose sum is σ = 20128680. Its totient is φ = 8360928.

The previous prime is 13238293. The next prime is 13238311. The reversal of 13238307 is 70383231.

It is not a de Polignac number, because 13238307 - 2⁸ = 13238051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13238347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38538 + ... + 38879.

It is an arithmetic number, because the mean of its divisors is an integer number (1677390).

Almost surely, 2^13238307 is an apocalyptic number.

13238307 is a deficient number, since it is larger than the sum of its proper divisors (6890373).

13238307 is a wasteful number, since it uses less digits than its factorization.

13238307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77442 (or 77439 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 13238307 is about 3638.4484330549. The cubic root of 13238307 is about 236.5615458122.

The spelling of 13238307 in words is "thirteen million, two hundred thirty-eight thousand, three hundred seven".