18174013 has 16 divisors (see below), whose sum is σ = 22478400. Its totient is φ = 14446080.

The previous prime is 18174001. The next prime is 18174019. The reversal of 18174013 is 31047181.

It is not a de Polignac number, because 18174013 - 2⁹ = 18173501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18174019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 628 + ... + 6061.

It is an arithmetic number, because the mean of its divisors is an integer number (1404900).

Almost surely, 2^18174013 is an apocalyptic number.

18174013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

18174013 is a deficient number, since it is larger than the sum of its proper divisors (4304387).

18174013 is a wasteful number, since it uses less digits than its factorization.

18174013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6732.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 18174013 is about 4263.0989901714. The cubic root of 18174013 is about 262.9159567035.

The spelling of 18174013 in words is "eighteen million, one hundred seventy-four thousand, thirteen".