18083612 has 12 divisors (see below), whose sum is σ = 33022416. Its totient is φ = 8648640.

The previous prime is 18083603. The next prime is 18083623. The reversal of 18083612 is 21638081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98189 + ... + 98372.

It is an arithmetic number, because the mean of its divisors is an integer number (2751868).

Almost surely, 2^18083612 is an apocalyptic number.

It is an amenable number.

18083612 is a deficient number, since it is larger than the sum of its proper divisors (14938804).

18083612 is a wasteful number, since it uses less digits than its factorization.

18083612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196588 (or 196586 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 18083612 is about 4252.4830393548. The cubic root of 18083612 is about 262.4793005598.

The spelling of 18083612 in words is "eighteen million, eighty-three thousand, six hundred twelve".