12831475 has 12 divisors (see below), whose sum is σ = 16137360. Its totient is φ = 10119200.

The previous prime is 12831463. The next prime is 12831487. The reversal of 12831475 is 57413821.

12831475 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12831463) and next prime (12831487).

It is not a de Polignac number, because 12831475 - 2⁷ = 12831347 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1840 + ... + 5389.

It is an arithmetic number, because the mean of its divisors is an integer number (1344780).

Almost surely, 2^12831475 is an apocalyptic number.

12831475 is a deficient number, since it is larger than the sum of its proper divisors (3305885).

12831475 is an equidigital number, since it uses as much as digits as its factorization.

12831475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7310 (or 7305 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 12831475 is about 3582.1048281702. The cubic root of 12831475 is about 234.1129984839.

The spelling of 12831475 in words is "twelve million, eight hundred thirty-one thousand, four hundred seventy-five".