12666692 has 12 divisors (see below), whose sum is σ = 23333520. Its totient is φ = 5999976.

The previous prime is 12666679. The next prime is 12666697. The reversal of 12666692 is 29666621.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (12666697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83258 + ... + 83409.

It is an arithmetic number, because the mean of its divisors is an integer number (1944460).

Almost surely, 2^12666692 is an apocalyptic number.

It is an amenable number.

12666692 is a deficient number, since it is larger than the sum of its proper divisors (10666828).

12666692 is a wasteful number, since it uses less digits than its factorization.

12666692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166690 (or 166688 counting only the distinct ones).

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

The square root of 12666692 is about 3559.0296430347. The cubic root of 12666692 is about 233.1065106435.

The spelling of 12666692 in words is "twelve million, six hundred sixty-six thousand, six hundred ninety-two".