12918824 has 32 divisors (see below), whose sum is σ = 25712640. Its totient is φ = 6072000.

The previous prime is 12918811. The next prime is 12918839. The reversal of 12918824 is 42881921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10649 + ... + 11799.

It is an arithmetic number, because the mean of its divisors is an integer number (803520).

Almost surely, 2^12918824 is an apocalyptic number.

It is an amenable number.

12918824 is a deficient number, since it is larger than the sum of its proper divisors (12793816).

12918824 is a wasteful number, since it uses less digits than its factorization.

12918824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241 (or 1237 counting only the distinct ones).

The product of its digits is 9216, while the sum is 35.

The square root of 12918824 is about 3594.2765614237. The cubic root of 12918824 is about 234.6430312944.

The spelling of 12918824 in words is "twelve million, nine hundred eighteen thousand, eight hundred twenty-four".