12966694 has 20 divisors (see below), whose sum is σ = 21163644. Its totient is φ = 5958264.

The previous prime is 12966661. The next prime is 12966703. The reversal of 12966694 is 49666921.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12966694.

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 9 ways as a sum of consecutive naturals, for example, 57009 + ... + 57235.

Almost surely, 2^12966694 is an apocalyptic number.

12966694 is a deficient number, since it is larger than the sum of its proper divisors (8196950).

12966694 is an frugal number, since it uses more digits than its factorization.

12966694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 242 counting only the distinct ones).

The product of its digits is 139968, while the sum is 43.

The square root of 12966694 is about 3600.9296022000. The cubic root of 12966694 is about 234.9324930586.

The spelling of 12966694 in words is "twelve million, nine hundred sixty-six thousand, six hundred ninety-four".