12766966 has 16 divisors (see below), whose sum is σ = 20462544. Its totient is φ = 5953024.

The previous prime is 12766937. The next prime is 12766967. The reversal of 12766966 is 66966721.

12766966 is nontrivially palindromic in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12766967) 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, 2181 + ... + 5503.

It is an arithmetic number, because the mean of its divisors is an integer number (1278909).

Almost surely, 2^12766966 is an apocalyptic number.

12766966 is a deficient number, since it is larger than the sum of its proper divisors (7695578).

12766966 is a wasteful number, since it uses less digits than its factorization.

12766966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3455.

The product of its digits is 163296, while the sum is 43.

The square root of 12766966 is about 3573.0891396661. The cubic root of 12766966 is about 233.7200123579.

The spelling of 12766966 in words is "twelve million, seven hundred sixty-six thousand, nine hundred sixty-six".