12831844 has 6 divisors (see below), whose sum is σ = 22455734. Its totient is φ = 6415920.

The previous prime is 12831827. The next prime is 12831857. The reversal of 12831844 is 44813821.

It can be written as a sum of positive squares in only one way, i.e., 11985444 + 846400 = 3462^2 + 920^2 .

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 as a sum of consecutive naturals, namely, 1603977 + ... + 1603984.

Almost surely, 2^12831844 is an apocalyptic number.

It is an amenable number.

12831844 is a deficient number, since it is larger than the sum of its proper divisors (9623890).

12831844 is a wasteful number, since it uses less digits than its factorization.

12831844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207965 (or 3207963 counting only the distinct ones).

The product of its digits is 6144, while the sum is 31.

The square root of 12831844 is about 3582.1563338302. The cubic root of 12831844 is about 234.1152426237.

The spelling of 12831844 in words is "twelve million, eight hundred thirty-one thousand, eight hundred forty-four".