13508379 has 6 divisors (see below), whose sum is σ = 19512116. Its totient is φ = 9005580.

The previous prime is 13508377. The next prime is 13508401. The reversal of 13508379 is 97380531.

It is not a de Polignac number, because 13508379 - 2¹ = 13508377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13508371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 750457 + ... + 750474.

Almost surely, 2^13508379 is an apocalyptic number.

13508379 is a deficient number, since it is larger than the sum of its proper divisors (6003737).

13508379 is a wasteful number, since it uses less digits than its factorization.

13508379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500937 (or 1500934 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 13508379 is about 3675.3746747781. The cubic root of 13508379 is about 238.1594099529.

The spelling of 13508379 in words is "thirteen million, five hundred eight thousand, three hundred seventy-nine".