12839960 has 48 divisors (see below), whose sum is σ = 33611760. Its totient is φ = 4401600.

The previous prime is 12839933. The next prime is 12839963. The reversal of 12839960 is 6993821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12839963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1316 + ... + 5235.

It is an arithmetic number, because the mean of its divisors is an integer number (700245).

Almost surely, 2^12839960 is an apocalyptic number.

12839960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12839960 is an abundant number, since it is smaller than the sum of its proper divisors (20771800).

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

12839960 is a wasteful number, since it uses less digits than its factorization.

12839960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6576 (or 6565 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 12839960 is about 3583.2889919737. The cubic root of 12839960 is about 234.1645906586.

The spelling of 12839960 in words is "twelve million, eight hundred thirty-nine thousand, nine hundred sixty".