18075612 has 24 divisors (see below), whose sum is σ = 44396800. Its totient is φ = 5708016.

The previous prime is 18075611. The next prime is 18075623. The reversal of 18075612 is 21657081.

It is a self number, because there is not a number n which added to its sum of digits gives 18075612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18075611) 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, 39412 + ... + 39867.

Almost surely, 2^18075612 is an apocalyptic number.

18075612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18075612 is an abundant number, since it is smaller than the sum of its proper divisors (26321188).

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

18075612 is a wasteful number, since it uses less digits than its factorization.

18075612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79305 (or 79303 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 18075612 is about 4251.5423083865. The cubic root of 18075612 is about 262.4405888222.

The spelling of 18075612 in words is "eighteen million, seventy-five thousand, six hundred twelve".