12839408 has 10 divisors (see below), whose sum is σ = 24876384. Its totient is φ = 6419696.

The previous prime is 12839401. The next prime is 12839419. The reversal of 12839408 is 80493821.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12839401) 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 as a sum of consecutive naturals, namely, 401216 + ... + 401247.

Almost surely, 2^12839408 is an apocalyptic number.

It is an amenable number.

12839408 is a deficient number, since it is larger than the sum of its proper divisors (12036976).

12839408 is an equidigital number, since it uses as much as digits as its factorization.

12839408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802471 (or 802465 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 12839408 is about 3583.2119669369. The cubic root of 12839408 is about 234.1612349704.

The spelling of 12839408 in words is "twelve million, eight hundred thirty-nine thousand, four hundred eight".