12839022 has 96 divisors (see below), whose sum is σ = 34744320. Its totient is φ = 3343680.

The previous prime is 12839011. The next prime is 12839023. The reversal of 12839022 is 22093821.

It is a happy number.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74128 + ... + 74300.

It is an arithmetic number, because the mean of its divisors is an integer number (361920).

Almost surely, 2^12839022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12839022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17372160).

12839022 is an abundant number, since it is smaller than the sum of its proper divisors (21905298).

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

12839022 is a wasteful number, since it uses less digits than its factorization.

12839022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 12839022 is about 3583.1581042427. The cubic root of 12839022 is about 234.1588883632.

The spelling of 12839022 in words is "twelve million, eight hundred thirty-nine thousand, twenty-two".