12328664 has 16 divisors (see below), whose sum is σ = 23608800. Its totient is φ = 6032992.

The previous prime is 12328643. The next prime is 12328681. The reversal of 12328664 is 46682321.

It is a self number, because there is not a number n which added to its sum of digits gives 12328664.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16019 + ... + 16770.

It is an arithmetic number, because the mean of its divisors is an integer number (1475550).

Almost surely, 2^12328664 is an apocalyptic number.

It is an amenable number.

12328664 is a deficient number, since it is larger than the sum of its proper divisors (11280136).

12328664 is a wasteful number, since it uses less digits than its factorization.

12328664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32842 (or 32838 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 12328664 is about 3511.2197310906. The cubic root of 12328664 is about 231.0141980117.

The spelling of 12328664 in words is "twelve million, three hundred twenty-eight thousand, six hundred sixty-four".