12936618 has 16 divisors (see below), whose sum is σ = 28748160. Its totient is φ = 4312188.

The previous prime is 12936617. The next prime is 12936631. The reversal of 12936618 is 81663921.

12936618 is a `hidden beast` number, since 1 + 2 + 9 + 36 + 618 = 666.

12936618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12936617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119730 + ... + 119837.

It is an arithmetic number, because the mean of its divisors is an integer number (1796760).

Almost surely, 2^12936618 is an apocalyptic number.

12936618 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12936618 is an abundant number, since it is smaller than the sum of its proper divisors (15811542).

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

12936618 is a wasteful number, since it uses less digits than its factorization.

12936618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239578 (or 239572 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 12936618 is about 3596.7510339194. The cubic root of 12936618 is about 234.7507119577.

The spelling of 12936618 in words is "twelve million, nine hundred thirty-six thousand, six hundred eighteen".