12813873 has 8 divisors (see below), whose sum is σ = 17142048. Its totient is φ = 8514144.

The previous prime is 12813859. The next prime is 12813883. The reversal of 12813873 is 37831821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12813873 - 2⁵ = 12813841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12813833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6036 + ... + 7877.

It is an arithmetic number, because the mean of its divisors is an integer number (2142756).

Almost surely, 2^12813873 is an apocalyptic number.

It is an amenable number.

12813873 is a deficient number, since it is larger than the sum of its proper divisors (4328175).

12813873 is a wasteful number, since it uses less digits than its factorization.

12813873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14223.

The product of its digits is 8064, while the sum is 33.

The square root of 12813873 is about 3579.6470496405. The cubic root of 12813873 is about 234.0058987482.

The spelling of 12813873 in words is "twelve million, eight hundred thirteen thousand, eight hundred seventy-three".