18124806 has 32 divisors (see below), whose sum is σ = 42278400. Its totient is φ = 5177928.

The previous prime is 18124789. The next prime is 18124811. The reversal of 18124806 is 60842181.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2346 + ... + 6461.

It is an arithmetic number, because the mean of its divisors is an integer number (1321200).

Almost surely, 2^18124806 is an apocalyptic number.

18124806 is an abundant number, since it is smaller than the sum of its proper divisors (24153594).

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

18124806 is an equidigital number, since it uses as much as digits as its factorization.

18124806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8833 (or 8819 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 18124806 is about 4257.3238072761. The cubic root of 18124806 is about 262.6784564295.

Adding to 18124806 its reverse (60842181), we get a palindrome (78966987).

The spelling of 18124806 in words is "eighteen million, one hundred twenty-four thousand, eight hundred six".