12946986 has 32 divisors (see below), whose sum is σ = 30985920. Its totient is φ = 3983472.

The previous prime is 12946951. The next prime is 12946987. The reversal of 12946986 is 68964921.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12946987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8520 + ... + 9923.

It is an arithmetic number, because the mean of its divisors is an integer number (968310).

Almost surely, 2^12946986 is an apocalyptic number.

12946986 is an abundant number, since it is smaller than the sum of its proper divisors (18038934).

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

12946986 is a wasteful number, since it uses less digits than its factorization.

12946986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18467 (or 18461 counting only the distinct ones).

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

The square root of 12946986 is about 3598.1920460142. The cubic root of 12946986 is about 234.8134085466.

The spelling of 12946986 in words is "twelve million, nine hundred forty-six thousand, nine hundred eighty-six".