18826313 has 8 divisors (see below), whose sum is σ = 20606400. Its totient is φ = 17057680.

The previous prime is 18826279. The next prime is 18826333. The reversal of 18826313 is 31362881.

It is a happy number.

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 18826313 - 2⁸ = 18826057 is a prime.

It is a super-2 number, since 2×18826313² = 708860122347938, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18826313.

It is not an unprimeable number, because it can be changed into a prime (18826333) 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 7 ways as a sum of consecutive naturals, for example, 788 + ... + 6186.

It is an arithmetic number, because the mean of its divisors is an integer number (2575800).

Almost surely, 2^18826313 is an apocalyptic number.

It is an amenable number.

18826313 is a deficient number, since it is larger than the sum of its proper divisors (1780087).

18826313 is a wasteful number, since it uses less digits than its factorization.

18826313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5727.

The product of its digits is 6912, while the sum is 32.

The square root of 18826313 is about 4338.9299372080. The cubic root of 18826313 is about 266.0245751505.

The spelling of 18826313 in words is "eighteen million, eight hundred twenty-six thousand, three hundred thirteen".