12813333 has 16 divisors (see below), whose sum is σ = 18748800. Its totient is φ = 7735104.

The previous prime is 12813329. The next prime is 12813337. The reversal of 12813333 is 33331821.

It is an interprime number because it is at equal distance from previous prime (12813329) and next prime (12813337).

It is not a de Polignac number, because 12813333 - 2² = 12813329 is a prime.

12813333 is a modest number, since divided by 3333 gives 1281 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12813337) 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, 1033 + ... + 5166.

It is an arithmetic number, because the mean of its divisors is an integer number (1171800).

Almost surely, 2^12813333 is an apocalyptic number.

12813333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12813333 is the 2067-th octagonal number.

It is an amenable number.

12813333 is a deficient number, since it is larger than the sum of its proper divisors (5935467).

12813333 is a wasteful number, since it uses less digits than its factorization.

12813333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6268.

The product of its digits is 1296, while the sum is 24.

The square root of 12813333 is about 3579.5716224152. The cubic root of 12813333 is about 234.0026115568.

The spelling of 12813333 in words is "twelve million, eight hundred thirteen thousand, three hundred thirty-three".