12339618 has 8 divisors (see below), whose sum is σ = 24679248. Its totient is φ = 4113204.

The previous prime is 12339617. The next prime is 12339623. The reversal of 12339618 is 81693321.

It is a sphenic number, since it is the product of 3 distinct primes.

12339618 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12339617) 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 3 ways as a sum of consecutive naturals, for example, 1028296 + ... + 1028307.

It is an arithmetic number, because the mean of its divisors is an integer number (3084906).

Almost surely, 2^12339618 is an apocalyptic number.

12339618 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12339618 is a wasteful number, since it uses less digits than its factorization.

12339618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056608.

The product of its digits is 7776, while the sum is 33.

The square root of 12339618 is about 3512.7792415693. The cubic root of 12339618 is about 231.0825963512.

The spelling of 12339618 in words is "twelve million, three hundred thirty-nine thousand, six hundred eighteen".