12669886 has 8 divisors (see below), whose sum is σ = 19617984. Its totient is φ = 6130560.

The previous prime is 12669869. The next prime is 12669893. The reversal of 12669886 is 68896621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12669886² = 321052022505992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 102115 + ... + 102238.

It is an arithmetic number, because the mean of its divisors is an integer number (2452248).

Almost surely, 2^12669886 is an apocalyptic number.

12669886 is a deficient number, since it is larger than the sum of its proper divisors (6948098).

12669886 is a wasteful number, since it uses less digits than its factorization.

12669886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204386.

The product of its digits is 248832, while the sum is 46.

The square root of 12669886 is about 3559.4783325650. The cubic root of 12669886 is about 233.1261021733.

The spelling of 12669886 in words is "twelve million, six hundred sixty-nine thousand, eight hundred eighty-six".