12132618 has 8 divisors (see below), whose sum is σ = 24265248. Its totient is φ = 4044204.

The previous prime is 12132613. The next prime is 12132619. The reversal of 12132618 is 81623121.

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

12132618 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12132613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011046 + ... + 1011057.

It is an arithmetic number, because the mean of its divisors is an integer number (3033156).

Almost surely, 2^12132618 is an apocalyptic number.

12132618 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.

12132618 is a wasteful number, since it uses less digits than its factorization.

12132618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022108.

The product of its digits is 576, while the sum is 24.

The square root of 12132618 is about 3483.1907785822. The cubic root of 12132618 is about 229.7831478453.

Adding to 12132618 its reverse (81623121), we get a palindrome (93755739).

The spelling of 12132618 in words is "twelve million, one hundred thirty-two thousand, six hundred eighteen".