12936886 has 4 divisors (see below), whose sum is σ = 19405332. Its totient is φ = 6468442.

The previous prime is 12936877. The next prime is 12936901. The reversal of 12936886 is 68863921.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 3234220 + ... + 3234223.

It is an arithmetic number, because the mean of its divisors is an integer number (4851333).

Almost surely, 2^12936886 is an apocalyptic number.

12936886 is a deficient number, since it is larger than the sum of its proper divisors (6468446).

12936886 is an equidigital number, since it uses as much as digits as its factorization.

12936886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6468445.

The product of its digits is 124416, while the sum is 43.

The square root of 12936886 is about 3596.7882895717. The cubic root of 12936886 is about 234.7523330088.

The spelling of 12936886 in words is "twelve million, nine hundred thirty-six thousand, eight hundred eighty-six".