18264313 has 8 divisors (see below), whose sum is σ = 18597600. Its totient is φ = 17934048.

The previous prime is 18264299. The next prime is 18264317. The reversal of 18264313 is 31346281.

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 18264313 - 2⁹ = 18263801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18264317) 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 7 ways as a sum of consecutive naturals, for example, 13878 + ... + 15136.

It is an arithmetic number, because the mean of its divisors is an integer number (2324700).

Almost surely, 2^18264313 is an apocalyptic number.

It is an amenable number.

18264313 is a deficient number, since it is larger than the sum of its proper divisors (333287).

18264313 is a wasteful number, since it uses less digits than its factorization.

18264313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511.

The product of its digits is 3456, while the sum is 28.

The square root of 18264313 is about 4273.6767542714. The cubic root of 18264313 is about 263.3506817960.

The spelling of 18264313 in words is "eighteen million, two hundred sixty-four thousand, three hundred thirteen".