12664450 has 24 divisors (see below), whose sum is σ = 24797520. Its totient is φ = 4798800.

The previous prime is 12664447. The next prime is 12664481. The reversal of 12664450 is 5446621.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5716 + ... + 7615.

It is an arithmetic number, because the mean of its divisors is an integer number (1033230).

Almost surely, 2^12664450 is an apocalyptic number.

12664450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12664450 is a deficient number, since it is larger than the sum of its proper divisors (12133070).

12664450 is a wasteful number, since it uses less digits than its factorization.

12664450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13362 (or 13357 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 12664450 is about 3558.7146556025. The cubic root of 12664450 is about 233.0927565754.

The spelling of 12664450 in words is "twelve million, six hundred sixty-four thousand, four hundred fifty".