12408618 has 16 divisors (see below), whose sum is σ = 25618176. Its totient is φ = 4002720.

The previous prime is 12408581. The next prime is 12408619. The reversal of 12408618 is 81680421.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12408619) 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, 33171 + ... + 33542.

It is an arithmetic number, because the mean of its divisors is an integer number (1601136).

Almost surely, 2^12408618 is an apocalyptic number.

12408618 is an abundant number, since it is smaller than the sum of its proper divisors (13209558).

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

12408618 is a wasteful number, since it uses less digits than its factorization.

12408618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66749.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 12408618 is about 3522.5868335642. The cubic root of 12408618 is about 231.5125143482.

The spelling of 12408618 in words is "twelve million, four hundred eight thousand, six hundred eighteen".