18013058 has 8 divisors (see below), whose sum is σ = 30879552. Its totient is φ = 7719876.

The previous prime is 18013049. The next prime is 18013069. The reversal of 18013058 is 85031081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×18013058³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 643310 + ... + 643337.

It is an arithmetic number, because the mean of its divisors is an integer number (3859944).

Almost surely, 2^18013058 is an apocalyptic number.

18013058 is a deficient number, since it is larger than the sum of its proper divisors (12866494).

18013058 is a wasteful number, since it uses less digits than its factorization.

18013058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286656.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 18013058 is about 4244.1793081820. The cubic root of 18013058 is about 262.1374975119.

The spelling of 18013058 in words is "eighteen million, thirteen thousand, fifty-eight".