13387908 has 96 divisors (see below), whose sum is σ = 35804160. Its totient is φ = 3870720.

The previous prime is 13387897. The next prime is 13387919. The reversal of 13387908 is 80978331.

It is an interprime number because it is at equal distance from previous prime (13387897) and next prime (13387919).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183360 + ... + 183432.

It is an arithmetic number, because the mean of its divisors is an integer number (372960).

Almost surely, 2^13387908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13387908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17902080).

13387908 is an abundant number, since it is smaller than the sum of its proper divisors (22416252).

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

13387908 is a wasteful number, since it uses less digits than its factorization.

13387908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 13387908 is about 3658.9490294345. The cubic root of 13387908 is about 237.4493070015.

The spelling of 13387908 in words is "thirteen million, three hundred eighty-seven thousand, nine hundred eight".