13818290 has 16 divisors (see below), whose sum is σ = 24969600. Its totient is φ = 5505840.

The previous prime is 13818289. The next prime is 13818313. The reversal of 13818290 is 9281831.

It is an unprimeable number.

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, 161 + ... + 5259.

It is an arithmetic number, because the mean of its divisors is an integer number (1560600).

Almost surely, 2^13818290 is an apocalyptic number.

13818290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13818290 is a deficient number, since it is larger than the sum of its proper divisors (11151310).

13818290 is a wasteful number, since it uses less digits than its factorization.

13818290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5377.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 13818290 is about 3717.2960603105. The cubic root of 13818290 is about 239.9669514679.

The spelling of 13818290 in words is "thirteen million, eight hundred eighteen thousand, two hundred ninety".