13233912 has 32 divisors (see below), whose sum is σ = 33331200. Its totient is φ = 4378464.

The previous prime is 13233911. The next prime is 13233919. The reversal of 13233912 is 21933231.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13233911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1353 + ... + 5319.

It is an arithmetic number, because the mean of its divisors is an integer number (1041600).

Almost surely, 2^13233912 is an apocalyptic number.

13233912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13233912 is an abundant number, since it is smaller than the sum of its proper divisors (20097288).

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

13233912 is a wasteful number, since it uses less digits than its factorization.

13233912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4115 (or 4111 counting only the distinct ones).

The product of its digits is 972, while the sum is 24.

The square root of 13233912 is about 3637.8444166841. The cubic root of 13233912 is about 236.5353641393.

Subtracting from 13233912 its product of digits (972), we obtain a triangular number (13232940 = T₅₁₄₄).

The spelling of 13233912 in words is "thirteen million, two hundred thirty-three thousand, nine hundred twelve".