13139368 has 32 divisors (see below), whose sum is σ = 28460160. Its totient is φ = 5620480.

The previous prime is 13139341. The next prime is 13139369. The reversal of 13139368 is 86393131.

13139368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (13139369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2896 + ... + 5887.

It is an arithmetic number, because the mean of its divisors is an integer number (889380).

Almost surely, 2^13139368 is an apocalyptic number.

It is an amenable number.

13139368 is an abundant number, since it is smaller than the sum of its proper divisors (15320792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13139368 is a wasteful number, since it uses less digits than its factorization.

13139368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8817 (or 8813 counting only the distinct ones).

The product of its digits is 11664, while the sum is 34.

The square root of 13139368 is about 3624.8266165432. The cubic root of 13139368 is about 235.9707423272.

The spelling of 13139368 in words is "thirteen million, one hundred thirty-nine thousand, three hundred sixty-eight".