12866967 has 12 divisors (see below), whose sum is σ = 18821920. Its totient is φ = 8468928.

The previous prime is 12866957. The next prime is 12866983. The reversal of 12866967 is 76966821.

12866967 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12866967 - 2²³ = 4478359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12866947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8338 + ... + 9759.

Almost surely, 2^12866967 is an apocalyptic number.

12866967 is a deficient number, since it is larger than the sum of its proper divisors (5954953).

12866967 is a wasteful number, since it uses less digits than its factorization.

12866967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18182 (or 18179 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 12866967 is about 3587.0554776864. The cubic root of 12866967 is about 234.3286528089.

The spelling of 12866967 in words is "twelve million, eight hundred sixty-six thousand, nine hundred sixty-seven".