12839028 has 12 divisors (see below), whose sum is σ = 29957760. Its totient is φ = 4279672.

The previous prime is 12839023. The next prime is 12839087. The reversal of 12839028 is 82093821.

12839028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 12839028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12839023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534948 + ... + 534971.

It is an arithmetic number, because the mean of its divisors is an integer number (2496480).

Almost surely, 2^12839028 is an apocalyptic number.

It is an amenable number.

12839028 is an abundant number, since it is smaller than the sum of its proper divisors (17118732).

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

12839028 is a wasteful number, since it uses less digits than its factorization.

12839028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069926 (or 1069924 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 12839028 is about 3583.1589414928. The cubic root of 12839028 is about 234.1589248393.

The spelling of 12839028 in words is "twelve million, eight hundred thirty-nine thousand, twenty-eight".