12839535 has 24 divisors (see below), whose sum is σ = 23428080. Its totient is φ = 6486912.

The previous prime is 12839527. The next prime is 12839537. The reversal of 12839535 is 53593821.

12839535 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 12839535 - 2³ = 12839527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12839535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12839537) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6654 + ... + 8363.

It is an arithmetic number, because the mean of its divisors is an integer number (976170).

Almost surely, 2^12839535 is an apocalyptic number.

12839535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12839535 is a deficient number, since it is larger than the sum of its proper divisors (10588545).

12839535 is a wasteful number, since it uses less digits than its factorization.

12839535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15047 (or 15044 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 12839535 is about 3583.2296884236. The cubic root of 12839535 is about 234.1620070303.

The spelling of 12839535 in words is "twelve million, eight hundred thirty-nine thousand, five hundred thirty-five".