12312332 has 18 divisors (see below), whose sum is σ = 22271004. Its totient is φ = 5955720.

The previous prime is 12312331. The next prime is 12312347. The reversal of 12312332 is 23321321.

It is a self number, because there is not a number n which added to its sum of digits gives 12312332.

It is not an unprimeable number, because it can be changed into a prime (12312331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2243 + ... + 5445.

It is an arithmetic number, because the mean of its divisors is an integer number (1237278).

Almost surely, 2^12312332 is an apocalyptic number.

It is an amenable number.

12312332 is a deficient number, since it is larger than the sum of its proper divisors (9958672).

12312332 is a wasteful number, since it uses less digits than its factorization.

12312332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269 (or 3236 counting only the distinct ones).

The product of its digits is 216, while the sum is 17.

The square root of 12312332 is about 3508.8932728141. The cubic root of 12312332 is about 230.9121433979.

Adding to 12312332 its reverse (23321321), we get a palindrome (35633653).

The spelling of 12312332 in words is "twelve million, three hundred twelve thousand, three hundred thirty-two".