12966776 has 16 divisors (see below), whose sum is σ = 24492240. Its totient is φ = 6435520.

The previous prime is 12966731. The next prime is 12966791. The reversal of 12966776 is 67766921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4820 + ... + 7011.

It is an arithmetic number, because the mean of its divisors is an integer number (1530765).

Almost surely, 2^12966776 is an apocalyptic number.

It is an amenable number.

12966776 is a deficient number, since it is larger than the sum of its proper divisors (11525464).

12966776 is a wasteful number, since it uses less digits than its factorization.

12966776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11974 (or 11970 counting only the distinct ones).

The product of its digits is 190512, while the sum is 44.

The square root of 12966776 is about 3600.9409881307. The cubic root of 12966776 is about 234.9329882870.

The spelling of 12966776 in words is "twelve million, nine hundred sixty-six thousand, seven hundred seventy-six".