18339113 has 16 divisors (see below), whose sum is σ = 20623680. Its totient is φ = 16196544.

The previous prime is 18339089. The next prime is 18339127. The reversal of 18339113 is 31193381.

It is not a de Polignac number, because 18339113 - 2¹⁴ = 18322729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18339193) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 29318 + ... + 29936.

It is an arithmetic number, because the mean of its divisors is an integer number (1288980).

Almost surely, 2^18339113 is an apocalyptic number.

18339113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

18339113 is a deficient number, since it is larger than the sum of its proper divisors (2284567).

18339113 is a wasteful number, since it uses less digits than its factorization.

18339113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728.

The product of its digits is 1944, while the sum is 29.

The square root of 18339113 is about 4282.4190593635. The cubic root of 18339113 is about 263.7097025202.

The spelling of 18339113 in words is "eighteen million, three hundred thirty-nine thousand, one hundred thirteen".