12000618 has 96 divisors (see below), whose sum is σ = 32078592. Its totient is φ = 3168000.

The previous prime is 12000613. The next prime is 12000619. The reversal of 12000618 is 81600021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 12000618.

It is not an unprimeable number, because it can be changed into a prime (12000613) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 118768 + ... + 118868.

It is an arithmetic number, because the mean of its divisors is an integer number (334152).

Almost surely, 2^12000618 is an apocalyptic number.

12000618 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12000618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16039296).

12000618 is an abundant number, since it is smaller than the sum of its proper divisors (20077974).

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

12000618 is a wasteful number, since it uses less digits than its factorization.

12000618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 12000618 is about 3464.1908146059. The cubic root of 12000618 is about 228.9467786288.

Adding to 12000618 its reverse (81600021), we get a palindrome (93600639).

The spelling of 12000618 in words is "twelve million, six hundred eighteen", and thus it is an aban number.