12839031 has 6 divisors (see below), whose sum is σ = 18545280. Its totient is φ = 8559348.

The previous prime is 12839023. The next prime is 12839087. The reversal of 12839031 is 13093821.

12839031 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12839031 - 2³ = 12839023 is a prime.

It is a super-2 number, since 2×12839031² = 329681434037922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12838986 and 12839004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12839011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 713271 + ... + 713288.

It is an arithmetic number, because the mean of its divisors is an integer number (3090880).

Almost surely, 2^12839031 is an apocalyptic number.

12839031 is a deficient number, since it is larger than the sum of its proper divisors (5706249).

12839031 is a wasteful number, since it uses less digits than its factorization.

12839031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426565 (or 1426562 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 12839031 is about 3583.1593601178. The cubic root of 12839031 is about 234.1589430773.

The spelling of 12839031 in words is "twelve million, eight hundred thirty-nine thousand, thirty-one".