12664460 has 24 divisors (see below), whose sum is σ = 26688480. Its totient is φ = 5048064.

The previous prime is 12664447. The next prime is 12664481. The reversal of 12664460 is 6446621.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5801 + ... + 7679.

It is an arithmetic number, because the mean of its divisors is an integer number (1112020).

Almost surely, 2^12664460 is an apocalyptic number.

12664460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12664460 is an abundant number, since it is smaller than the sum of its proper divisors (14024020).

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

12664460 is a wasteful number, since it uses less digits than its factorization.

12664460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225 (or 2223 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 12664460 is about 3558.7160606039. The cubic root of 12664460 is about 233.0928179263.

The spelling of 12664460 in words is "twelve million, six hundred sixty-four thousand, four hundred sixty".