12573664 has 12 divisors (see below), whose sum is σ = 24754464. Its totient is φ = 6286816.

The previous prime is 12573661. The next prime is 12573679. The reversal of 12573664 is 46637521.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12573661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196432 + ... + 196495.

It is an arithmetic number, because the mean of its divisors is an integer number (2062872).

Almost surely, 2^12573664 is an apocalyptic number.

It is an amenable number.

12573664 is a deficient number, since it is larger than the sum of its proper divisors (12180800).

12573664 is an equidigital number, since it uses as much as digits as its factorization.

12573664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392937 (or 392929 counting only the distinct ones).

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

The square root of 12573664 is about 3545.9362656427. The cubic root of 12573664 is about 232.5344397281.

The spelling of 12573664 in words is "twelve million, five hundred seventy-three thousand, six hundred sixty-four".