12331372 has 6 divisors (see below), whose sum is σ = 21579908. Its totient is φ = 6165684.

The previous prime is 12331369. The next prime is 12331387. The reversal of 12331372 is 27313321.

It is a happy number.

12331372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1541418 + ... + 1541425.

Almost surely, 2^12331372 is an apocalyptic number.

It is an amenable number.

12331372 is a deficient number, since it is larger than the sum of its proper divisors (9248536).

12331372 is a wasteful number, since it uses less digits than its factorization.

12331372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082847 (or 3082845 counting only the distinct ones).

The product of its digits is 756, while the sum is 22.

The square root of 12331372 is about 3511.6053308992. The cubic root of 12331372 is about 231.0311109189.

Adding to 12331372 its reverse (27313321), we get a palindrome (39644693).

The spelling of 12331372 in words is "twelve million, three hundred thirty-one thousand, three hundred seventy-two".