12756986 has 16 divisors (see below), whose sum is σ = 21385728. Its totient is φ = 5656800.

The previous prime is 12756979. The next prime is 12757049. The reversal of 12756986 is 68965721.

It is a Curzon number.

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, 6170 + ... + 7973.

It is an arithmetic number, because the mean of its divisors is an integer number (1336608).

Almost surely, 2^12756986 is an apocalyptic number.

12756986 is a deficient number, since it is larger than the sum of its proper divisors (8628742).

12756986 is a wasteful number, since it uses less digits than its factorization.

12756986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14197.

The product of its digits is 181440, while the sum is 44.

The square root of 12756986 is about 3571.6923159757. The cubic root of 12756986 is about 233.6590964554.

The spelling of 12756986 in words is "twelve million, seven hundred fifty-six thousand, nine hundred eighty-six".