13811996 has 12 divisors (see below), whose sum is σ = 26368440. Its totient is φ = 6278160.

The previous prime is 13811977. The next prime is 13812011. The reversal of 13811996 is 69911831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156911 + ... + 156998.

It is an arithmetic number, because the mean of its divisors is an integer number (2197370).

Almost surely, 2^13811996 is an apocalyptic number.

It is an amenable number.

13811996 is a deficient number, since it is larger than the sum of its proper divisors (12556444).

13811996 is a wasteful number, since it uses less digits than its factorization.

13811996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313924 (or 313922 counting only the distinct ones).

The product of its digits is 11664, while the sum is 38.

The square root of 13811996 is about 3716.4493807934. The cubic root of 13811996 is about 239.9305122904.

The spelling of 13811996 in words is "thirteen million, eight hundred eleven thousand, nine hundred ninety-six".