12357664 has 24 divisors (see below), whose sum is σ = 26541648. Its totient is φ = 5616960.

The previous prime is 12357661. The next prime is 12357677. The reversal of 12357664 is 46675321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12357661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17202 + ... + 17905.

It is an arithmetic number, because the mean of its divisors is an integer number (1105902).

Almost surely, 2^12357664 is an apocalyptic number.

It is an amenable number.

12357664 is an abundant number, since it is smaller than the sum of its proper divisors (14183984).

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

12357664 is a wasteful number, since it uses less digits than its factorization.

12357664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35128 (or 35120 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 12357664 is about 3515.3469245581. The cubic root of 12357664 is about 231.1951899320.

The spelling of 12357664 in words is "twelve million, three hundred fifty-seven thousand, six hundred sixty-four".