12966499 has 16 divisors (see below), whose sum is σ = 16148160. Its totient is φ = 10137600.

The previous prime is 12966497. The next prime is 12966557. The reversal of 12966499 is 99466921.

It is a cyclic number.

It is not a de Polignac number, because 12966499 - 2¹ = 12966497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12966491) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7299 + ... + 8899.

It is an arithmetic number, because the mean of its divisors is an integer number (1009260).

Almost surely, 2^12966499 is an apocalyptic number.

12966499 is a deficient number, since it is larger than the sum of its proper divisors (3181661).

12966499 is a wasteful number, since it uses less digits than its factorization.

12966499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710.

The product of its digits is 209952, while the sum is 46.

The square root of 12966499 is about 3600.9025257566. The cubic root of 12966499 is about 234.9313153731.

The spelling of 12966499 in words is "twelve million, nine hundred sixty-six thousand, four hundred ninety-nine".