12918572 has 24 divisors (see below), whose sum is σ = 24766560. Its totient is φ = 5868800.

The previous prime is 12918559. The next prime is 12918583. The reversal of 12918572 is 27581921.

12918572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1304 + ... + 5247.

It is an arithmetic number, because the mean of its divisors is an integer number (1031940).

Almost surely, 2^12918572 is an apocalyptic number.

It is an amenable number.

12918572 is a deficient number, since it is larger than the sum of its proper divisors (11847988).

12918572 is a wasteful number, since it uses less digits than its factorization.

12918572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6601 (or 6599 counting only the distinct ones).

The product of its digits is 10080, while the sum is 35.

The square root of 12918572 is about 3594.2415055196. The cubic root of 12918572 is about 234.6415056026.

The spelling of 12918572 in words is "twelve million, nine hundred eighteen thousand, five hundred seventy-two".