12966992 has 10 divisors (see below), whose sum is σ = 25123578. Its totient is φ = 6483488.

The previous prime is 12966991. The next prime is 12966997. The reversal of 12966992 is 29966921.

It can be written as a sum of positive squares in only one way, i.e., 10394176 + 2572816 = 3224^2 + 1604^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12966991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405203 + ... + 405234.

Almost surely, 2^12966992 is an apocalyptic number.

It is an amenable number.

12966992 is a deficient number, since it is larger than the sum of its proper divisors (12156586).

12966992 is an equidigital number, since it uses as much as digits as its factorization.

12966992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810445 (or 810439 counting only the distinct ones).

The product of its digits is 104976, while the sum is 44.

The square root of 12966992 is about 3600.9709801663. The cubic root of 12966992 is about 234.9342927810.

The spelling of 12966992 in words is "twelve million, nine hundred sixty-six thousand, nine hundred ninety-two".