12312764 has 24 divisors (see below), whose sum is σ = 22066800. Its totient is φ = 6009984.

The previous prime is 12312763. The next prime is 12312767. The reversal of 12312764 is 46721321.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312763) 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, 43367 + ... + 43649.

It is an arithmetic number, because the mean of its divisors is an integer number (919450).

Almost surely, 2^12312764 is an apocalyptic number.

It is an amenable number.

12312764 is a deficient number, since it is larger than the sum of its proper divisors (9754036).

12312764 is a wasteful number, since it uses less digits than its factorization.

12312764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509 (or 507 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 12312764 is about 3508.9548301453. The cubic root of 12312764 is about 230.9148440203.

The spelling of 12312764 in words is "twelve million, three hundred twelve thousand, seven hundred sixty-four".