18012024 has 32 divisors (see below), whose sum is σ = 50034000. Its totient is φ = 6003936.

The previous prime is 18012017. The next prime is 18012041. The reversal of 18012024 is 42021081.

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

It is a junction number, because it is equal to n+sod(n) for n = 18011988 and 18012006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41479 + ... + 41910.

Almost surely, 2^18012024 is an apocalyptic number.

It is an amenable number.

18012024 is an abundant number, since it is smaller than the sum of its proper divisors (32021976).

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

18012024 is a wasteful number, since it uses less digits than its factorization.

18012024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83404 (or 83394 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 18012024 is about 4244.0574925418. The cubic root of 18012024 is about 262.1324816070.

The spelling of 18012024 in words is "eighteen million, twelve thousand, twenty-four".