12831208 has 16 divisors (see below), whose sum is σ = 25909380. Its totient is φ = 5922048.

The previous prime is 12831173. The next prime is 12831211. The reversal of 12831208 is 80213821.

12831208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12830724 + 484 = 3582^2 + 22^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61585 + ... + 61792.

Almost surely, 2^12831208 is an apocalyptic number.

It is an amenable number.

12831208 is an abundant number, since it is smaller than the sum of its proper divisors (13078172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12831208 is a wasteful number, since it uses less digits than its factorization.

12831208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123396 (or 123392 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 12831208 is about 3582.0675593852. The cubic root of 12831208 is about 234.1113746487. Note that the first 3 decimals are identical.

The spelling of 12831208 in words is "twelve million, eight hundred thirty-one thousand, two hundred eight".