12986690 has 16 divisors (see below), whose sum is σ = 24606720. Its totient is φ = 4921200.

The previous prime is 12986689. The next prime is 12986707. The reversal of 12986690 is 9668921.

It is a super-2 number, since 2×12986690² = 337308234312200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33986 + ... + 34365.

It is an arithmetic number, because the mean of its divisors is an integer number (1537920).

Almost surely, 2^12986690 is an apocalyptic number.

12986690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12986690 is a deficient number, since it is larger than the sum of its proper divisors (11620030).

12986690 is a wasteful number, since it uses less digits than its factorization.

12986690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68377.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 12986690 is about 3603.7050378742. The cubic root of 12986690 is about 235.0531945371.

The spelling of 12986690 in words is "twelve million, nine hundred eighty-six thousand, six hundred ninety".