18675 has 18 divisors (see below), whose sum is σ = 33852. Its totient is φ = 9840.

The previous prime is 18671. The next prime is 18679. The reversal of 18675 is 57681.

It is an interprime number because it is at equal distance from previous prime (18671) and next prime (18679).

It is not a de Polignac number, because 18675 - 2² = 18671 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (18671) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 184 + ... + 266.

2¹⁸⁶⁷⁵ is an apocalyptic number.

18675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18675 is a deficient number, since it is larger than the sum of its proper divisors (15177).

18675 is a wasteful number, since it uses less digits than its factorization.

18675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 91 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 18675 is about 136.6565036872. The cubic root of 18675 is about 26.5309949428.

The spelling of 18675 in words is "eighteen thousand, six hundred seventy-five".