13263916 has 12 divisors (see below), whose sum is σ = 24221232. Its totient is φ = 6343568.

The previous prime is 13263911. The next prime is 13263931. The reversal of 13263916 is 61936231.

It is not an unprimeable number, because it can be changed into a prime (13263911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71995 + ... + 72178.

It is an arithmetic number, because the mean of its divisors is an integer number (2018436).

Almost surely, 2^13263916 is an apocalyptic number.

It is an amenable number.

13263916 is a deficient number, since it is larger than the sum of its proper divisors (10957316).

13263916 is a wasteful number, since it uses less digits than its factorization.

13263916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144200 (or 144198 counting only the distinct ones).

The product of its digits is 5832, while the sum is 31.

The square root of 13263916 is about 3641.9659526141. The cubic root of 13263916 is about 236.7139873197.

The spelling of 13263916 in words is "thirteen million, two hundred sixty-three thousand, nine hundred sixteen".