18412245 has 32 divisors (see below), whose sum is σ = 33868800. Its totient is φ = 9479232.

The previous prime is 18412237. The next prime is 18412291. The reversal of 18412245 is 54221481.

18412245 is a `hidden beast` number, since 1 + 8 + 412 + 245 = 666.

It is not a de Polignac number, because 18412245 - 2³ = 18412237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 31 ways as a sum of consecutive naturals, for example, 1564 + ... + 6266.

It is an arithmetic number, because the mean of its divisors is an integer number (1058400).

Almost surely, 2^18412245 is an apocalyptic number.

18412245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18412245 is a deficient number, since it is larger than the sum of its proper divisors (15456555).

18412245 is a wasteful number, since it uses less digits than its factorization.

18412245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4746 (or 4740 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 18412245 is about 4290.9491956909. The cubic root of 18412245 is about 264.0597746880.

The spelling of 18412245 in words is "eighteen million, four hundred twelve thousand, two hundred forty-five".