18282013 has 8 divisors (see below), whose sum is σ = 18731520. Its totient is φ = 17835120.

The previous prime is 18282007. The next prime is 18282029. The reversal of 18282013 is 31028281.

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

It is a cyclic number.

It is not a de Polignac number, because 18282013 - 2⁵ = 18281981 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 (18282053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25068 + ... + 25786.

It is an arithmetic number, because the mean of its divisors is an integer number (2341440).

Almost surely, 2^18282013 is an apocalyptic number.

It is an amenable number.

18282013 is a deficient number, since it is larger than the sum of its proper divisors (449507).

18282013 is an equidigital number, since it uses as much as digits as its factorization.

18282013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 18282013 is about 4275.7470692266. The cubic root of 18282013 is about 263.4357256393.

The spelling of 18282013 in words is "eighteen million, two hundred eighty-two thousand, thirteen".