12839715 has 60 divisors (see below), whose sum is σ = 26815536. Its totient is φ = 5860512.

The previous prime is 12839699. The next prime is 12839719. The reversal of 12839715 is 51793821.

It is not a de Polignac number, because 12839715 - 2⁴ = 12839699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12839715.

It is not an unprimeable number, because it can be changed into a prime (12839719) 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 59 ways as a sum of consecutive naturals, for example, 19522 + ... + 20168.

Almost surely, 2^12839715 is an apocalyptic number.

12839715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12839715 is an abundant number, since it is smaller than the sum of its proper divisors (13975821).

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

12839715 is an equidigital number, since it uses as much as digits as its factorization.

12839715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678 (or 662 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 12839715 is about 3583.2548053411. The cubic root of 12839715 is about 234.1631012798.

The spelling of 12839715 in words is "twelve million, eight hundred thirty-nine thousand, seven hundred fifteen".