12839632 has 20 divisors (see below), whose sum is σ = 26790820. Its totient is φ = 5925888.

The previous prime is 12839627. The next prime is 12839657. The reversal of 12839632 is 23693821.

It is a happy number.

12839632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8156736 + 4682896 = 2856^2 + 2164^2 .

It is a super-2 number, since 2×12839632² = 329712299790848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30657 + ... + 31072.

It is an arithmetic number, because the mean of its divisors is an integer number (1339541).

Almost surely, 2^12839632 is an apocalyptic number.

It is an amenable number.

12839632 is an abundant number, since it is smaller than the sum of its proper divisors (13951188).

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

12839632 is a wasteful number, since it uses less digits than its factorization.

12839632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61750 (or 61744 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 12839632 is about 3583.2432236732. The cubic root of 12839632 is about 234.1625967105.

The spelling of 12839632 in words is "twelve million, eight hundred thirty-nine thousand, six hundred thirty-two".