18412575 has 12 divisors (see below), whose sum is σ = 30442248. Its totient is φ = 9820000.

The previous prime is 18412561. The next prime is 18412613. The reversal of 18412575 is 57521481.

It is not a de Polignac number, because 18412575 - 2⁷ = 18412447 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 122676 + ... + 122825.

It is an arithmetic number, because the mean of its divisors is an integer number (2536854).

Almost surely, 2^18412575 is an apocalyptic number.

18412575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18412575 is a deficient number, since it is larger than the sum of its proper divisors (12029673).

18412575 is a wasteful number, since it uses less digits than its factorization.

18412575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245514 (or 245509 counting only the distinct ones).

The product of its digits is 11200, while the sum is 33.

The square root of 18412575 is about 4290.9876485490. The cubic root of 18412575 is about 264.0613522469.

The spelling of 18412575 in words is "eighteen million, four hundred twelve thousand, five hundred seventy-five".