18213675 has 24 divisors (see below), whose sum is σ = 30759936. Its totient is φ = 9505440.

The previous prime is 18213667. The next prime is 18213703. The reversal of 18213675 is 57631281.

It is not a de Polignac number, because 18213675 - 2³ = 18213667 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 942 + ... + 6108.

It is an arithmetic number, because the mean of its divisors is an integer number (1281664).

Almost surely, 2^18213675 is an apocalyptic number.

18213675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18213675 is a deficient number, since it is larger than the sum of its proper divisors (12546261).

18213675 is a wasteful number, since it uses less digits than its factorization.

18213675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5227 (or 5222 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 18213675 is about 4267.7482353110. The cubic root of 18213675 is about 263.1070756781.

The spelling of 18213675 in words is "eighteen million, two hundred thirteen thousand, six hundred seventy-five".