12986694 has 24 divisors (see below), whose sum is σ = 32157840. Its totient is φ = 3710448.

The previous prime is 12986689. The next prime is 12986707. The reversal of 12986694 is 49668921.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51409 + ... + 51660.

It is an arithmetic number, because the mean of its divisors is an integer number (1339910).

Almost surely, 2^12986694 is an apocalyptic number.

12986694 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12986694 is an abundant number, since it is smaller than the sum of its proper divisors (19171146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12986694 is a wasteful number, since it uses less digits than its factorization.

12986694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103084 (or 103081 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 12986694 is about 3603.7055928586. The cubic root of 12986694 is about 235.0532186699.

The spelling of 12986694 in words is "twelve million, nine hundred eighty-six thousand, six hundred ninety-four".