13818233 has 16 divisors (see below), whose sum is σ = 16474752. Its totient is φ = 11424000.

The previous prime is 13818227. The next prime is 13818253. The reversal of 13818233 is 33281831.

It is a cyclic number.

It is not a de Polignac number, because 13818233 - 2⁶ = 13818169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13818196 and 13818205.

It is not an unprimeable number, because it can be changed into a prime (13818223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9473 + ... + 10833.

It is an arithmetic number, because the mean of its divisors is an integer number (1029672).

Almost surely, 2^13818233 is an apocalyptic number.

13818233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13818233 is a deficient number, since it is larger than the sum of its proper divisors (2656519).

13818233 is a wasteful number, since it uses less digits than its factorization.

13818233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456.

The product of its digits is 3456, while the sum is 29.

The square root of 13818233 is about 3717.2883934395. The cubic root of 13818233 is about 239.9666215154.

The spelling of 13818233 in words is "thirteen million, eight hundred eighteen thousand, two hundred thirty-three".