13312332 has 36 divisors (see below), whose sum is σ = 36710856. Its totient is φ = 4033920.

The previous prime is 13312319. The next prime is 13312349. The reversal of 13312332 is 23321331.

13312332 is a `hidden beast` number, since 1 + 331 + 2 + 332 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16413 + ... + 17204.

It is an arithmetic number, because the mean of its divisors is an integer number (1019746).

Almost surely, 2^13312332 is an apocalyptic number.

13312332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13312332 is an abundant number, since it is smaller than the sum of its proper divisors (23398524).

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

13312332 is a wasteful number, since it uses less digits than its factorization.

13312332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33638 (or 33633 counting only the distinct ones).

The product of its digits is 324, while the sum is 18.

The square root of 13312332 is about 3648.6068574183. The cubic root of 13312332 is about 237.0016557060.

Adding to 13312332 its reverse (23321331), we get a palindrome (36633663).

It can be divided in two parts, 1331 and 2332, that added together give a palindrome (3663).

The spelling of 13312332 in words is "thirteen million, three hundred twelve thousand, three hundred thirty-two".