13039138 has 16 divisors (see below), whose sum is σ = 22688064. Its totient is φ = 5504400.

The previous prime is 13039109. The next prime is 13039141. The reversal of 13039138 is 83193031.

13039138 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

13039138 is strictly pandigital in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6013 + ... + 7888.

It is an arithmetic number, because the mean of its divisors is an integer number (1418004).

Almost surely, 2^13039138 is an apocalyptic number.

13039138 is a deficient number, since it is larger than the sum of its proper divisors (9648926).

13039138 is a wasteful number, since it uses less digits than its factorization.

13039138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13977.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 13039138 is about 3610.9746606699. The cubic root of 13039138 is about 235.3691978464.

The spelling of 13039138 in words is "thirteen million, thirty-nine thousand, one hundred thirty-eight".