12332331 has 20 divisors (see below), whose sum is σ = 20098584. Its totient is φ = 7473600.

The previous prime is 12332323. The next prime is 12332363. The reversal of 12332331 is 13323321.

12332331 is a `hidden beast` number, since 1 + 2 + 332 + 331 = 666.

12332331 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12332331 - 2³ = 12332323 is a prime.

It is a super-2 number, since 2×12332331² = 304172775787122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12332381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6030 + ... + 7811.

Almost surely, 2^12332331 is an apocalyptic number.

12332331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12332331 is a deficient number, since it is larger than the sum of its proper divisors (7766253).

12332331 is a wasteful number, since it uses less digits than its factorization.

12332331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13864 (or 13855 counting only the distinct ones).

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

The square root of 12332331 is about 3511.7418754800. The cubic root of 12332331 is about 231.0370997927.

Adding to 12332331 its reverse (13323321), we get a palindrome (25655652).

It can be divided in two parts, 1 and 2332331, that added together give a palindrome (2332332).

The spelling of 12332331 in words is "twelve million, three hundred thirty-two thousand, three hundred thirty-one".