12831906 has 16 divisors (see below), whose sum is σ = 27173664. Its totient is φ = 4025664.

The previous prime is 12831887. The next prime is 12831911. The reversal of 12831906 is 60913821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62800 + ... + 63003.

It is an arithmetic number, because the mean of its divisors is an integer number (1698354).

Almost surely, 2^12831906 is an apocalyptic number.

12831906 is an abundant number, since it is smaller than the sum of its proper divisors (14341758).

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

12831906 is a wasteful number, since it uses less digits than its factorization.

12831906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125825.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 12831906 is about 3582.1649878251. The cubic root of 12831906 is about 234.1156196836.

The spelling of 12831906 in words is "twelve million, eight hundred thirty-one thousand, nine hundred six".