12331772 has 24 divisors (see below), whose sum is σ = 22643712. Its totient is φ = 5865200.

The previous prime is 12331771. The next prime is 12331789. The reversal of 12331772 is 27713321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331771) 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, 28397 + ... + 28827.

It is an arithmetic number, because the mean of its divisors is an integer number (943488).

Almost surely, 2^12331772 is an apocalyptic number.

It is an amenable number.

12331772 is a deficient number, since it is larger than the sum of its proper divisors (10311940).

12331772 is a wasteful number, since it uses less digits than its factorization.

12331772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 767 counting only the distinct ones).

The product of its digits is 1764, while the sum is 26.

The square root of 12331772 is about 3511.6622844459. The cubic root of 12331772 is about 231.0336089227.

The spelling of 12331772 in words is "twelve million, three hundred thirty-one thousand, seven hundred seventy-two".