12660916 has 24 divisors (see below), whose sum is σ = 23713760. Its totient is φ = 5896800.

The previous prime is 12660911. The next prime is 12660917. The reversal of 12660916 is 61906621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12660911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3271 + ... + 6001.

Almost surely, 2^12660916 is an apocalyptic number.

It is an amenable number.

12660916 is a deficient number, since it is larger than the sum of its proper divisors (11052844).

12660916 is a wasteful number, since it uses less digits than its factorization.

12660916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2815 (or 2813 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 12660916 is about 3558.2180933720. The cubic root of 12660916 is about 233.0710731377.

The spelling of 12660916 in words is "twelve million, six hundred sixty thousand, nine hundred sixteen".