12839980 has 48 divisors (see below), whose sum is σ = 28514304. Its totient is φ = 4847040.

The previous prime is 12839971. The next prime is 12839989. The reversal of 12839980 is 8993821.

12839980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12839971) and next prime (12839989).

It is not an unprimeable number, because it can be changed into a prime (12839989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47245 + ... + 47515.

It is an arithmetic number, because the mean of its divisors is an integer number (594048).

Almost surely, 2^12839980 is an apocalyptic number.

12839980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12839980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14257152).

12839980 is an abundant number, since it is smaller than the sum of its proper divisors (15674324).

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

12839980 is a wasteful number, since it uses less digits than its factorization.

12839980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 12839980 is about 3583.2917827048. The cubic root of 12839980 is about 234.1647122397.

The spelling of 12839980 in words is "twelve million, eight hundred thirty-nine thousand, nine hundred eighty".