13133912 has 16 divisors (see below), whose sum is σ = 26865000. Its totient is φ = 5969920.

The previous prime is 13133893. The next prime is 13133933. The reversal of 13133912 is 21933131.

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, 74537 + ... + 74712.

Almost surely, 2^13133912 is an apocalyptic number.

It is an amenable number.

13133912 is an abundant number, since it is smaller than the sum of its proper divisors (13731088).

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

13133912 is a wasteful number, since it uses less digits than its factorization.

13133912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149266 (or 149262 counting only the distinct ones).

The product of its digits is 486, while the sum is 23.

The square root of 13133912 is about 3624.0739506804. The cubic root of 13133912 is about 235.9380762555.

It can be divided in two parts, 1313 and 3912, that added together give a palindrome (5225).

The spelling of 13133912 in words is "thirteen million, one hundred thirty-three thousand, nine hundred twelve".