12966266 has 16 divisors (see below), whose sum is σ = 19975680. Its totient is φ = 6309360.

The previous prime is 12966241. The next prime is 12966269. The reversal of 12966266 is 66266921.

It is not an unprimeable number, because it can be changed into a prime (12966269) 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, 25220 + ... + 25728.

It is an arithmetic number, because the mean of its divisors is an integer number (1248480).

Almost surely, 2^12966266 is an apocalyptic number.

12966266 is a deficient number, since it is larger than the sum of its proper divisors (7009414).

12966266 is a wasteful number, since it uses less digits than its factorization.

12966266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829.

The product of its digits is 46656, while the sum is 38.

The square root of 12966266 is about 3600.8701726111. The cubic root of 12966266 is about 234.9299081743.

The spelling of 12966266 in words is "twelve million, nine hundred sixty-six thousand, two hundred sixty-six".