18713274 has 16 divisors (see below), whose sum is σ = 38634240. Its totient is φ = 6036480.

The previous prime is 18713269. The next prime is 18713281. The reversal of 18713274 is 47231781.

It is a happy number.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 50119 + ... + 50490.

It is an arithmetic number, because the mean of its divisors is an integer number (2414640).

Almost surely, 2^18713274 is an apocalyptic number.

18713274 is an abundant number, since it is smaller than the sum of its proper divisors (19920966).

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

18713274 is a wasteful number, since it uses less digits than its factorization.

18713274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100645.

The product of its digits is 9408, while the sum is 33.

The square root of 18713274 is about 4325.8841870767. The cubic root of 18713274 is about 265.4910747068.

The spelling of 18713274 in words is "eighteen million, seven hundred thirteen thousand, two hundred seventy-four".