12708618 has 32 divisors (see below), whose sum is σ = 27831552. Its totient is φ = 3844800.

The previous prime is 12708617. The next prime is 12708623. The reversal of 12708618 is 81680721.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12708617) 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 15 ways as a sum of consecutive naturals, for example, 3423 + ... + 6093.

It is an arithmetic number, because the mean of its divisors is an integer number (869736).

Almost surely, 2^12708618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12708618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13915776).

12708618 is an abundant number, since it is smaller than the sum of its proper divisors (15122934).

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

12708618 is a wasteful number, since it uses less digits than its factorization.

12708618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750.

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 12708618 is about 3564.9148657436. The cubic root of 12708618 is about 233.3634169828.

The spelling of 12708618 in words is "twelve million, seven hundred eight thousand, six hundred eighteen".