12579618 has 16 divisors (see below), whose sum is σ = 25262496. Its totient is φ = 4176000.

The previous prime is 12579617. The next prime is 12579629. The reversal of 12579618 is 81697521.

It is not an unprimeable number, because it can be changed into a prime (12579617) 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, 2671 + ... + 5682.

It is an arithmetic number, because the mean of its divisors is an integer number (1578906).

Almost surely, 2^12579618 is an apocalyptic number.

12579618 is an abundant number, since it is smaller than the sum of its proper divisors (12682878).

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

12579618 is a wasteful number, since it uses less digits than its factorization.

12579618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8609.

The product of its digits is 30240, while the sum is 39.

The square root of 12579618 is about 3546.7757188748. The cubic root of 12579618 is about 232.5711379034.

The spelling of 12579618 in words is "twelve million, five hundred seventy-nine thousand, six hundred eighteen".