12313664 has 28 divisors (see below), whose sum is σ = 26657808. Its totient is φ = 5596800.

The previous prime is 12313663. The next prime is 12313669. The reversal of 12313664 is 46631321.

It is a super-2 number, since 2×12313664² = 303252642209792, which contains 22 as substring.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12313663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8042 + ... + 9449.

Almost surely, 2^12313664 is an apocalyptic number.

It is an amenable number.

12313664 is an abundant number, since it is smaller than the sum of its proper divisors (14344144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12313664 is a wasteful number, since it uses less digits than its factorization.

12313664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17514 (or 17504 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

The square root of 12313664 is about 3509.0830711170. The cubic root of 12313664 is about 230.9204701141.

Adding to 12313664 its reverse (46631321), we get a palindrome (58944985).

The spelling of 12313664 in words is "twelve million, three hundred thirteen thousand, six hundred sixty-four".