13311996 has 24 divisors (see below), whose sum is σ = 31153920. Its totient is φ = 4424112.

The previous prime is 13311973. The next prime is 13312001. The reversal of 13311996 is 69911331.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3085 + ... + 6011.

It is an arithmetic number, because the mean of its divisors is an integer number (1298080).

Almost surely, 2^13311996 is an apocalyptic number.

It is an amenable number.

13311996 is an abundant number, since it is smaller than the sum of its proper divisors (17841924).

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

13311996 is a wasteful number, since it uses less digits than its factorization.

13311996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313 (or 3311 counting only the distinct ones).

The product of its digits is 4374, while the sum is 33.

The square root of 13311996 is about 3648.5608121559. The cubic root of 13311996 is about 236.9996617346. Note that the first 3 decimals are identical.

The spelling of 13311996 in words is "thirteen million, three hundred eleven thousand, nine hundred ninety-six".