12844980 has 84 divisors (see below), whose sum is σ = 40489092. Its totient is φ = 3421440.

The previous prime is 12844961. The next prime is 12844981. The reversal of 12844980 is 8944821.

It can be written as a sum of positive squares in 2 ways, for example, as 3370896 + 9474084 = 1836^2 + 3078^2 .

It is a super-2 number, since 2×12844980² = 329987022400800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12844981) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 14140 + ... + 15020.

It is an arithmetic number, because the mean of its divisors is an integer number (482013).

Almost surely, 2^12844980 is an apocalyptic number.

12844980 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 12844980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20244546).

12844980 is an abundant number, since it is smaller than the sum of its proper divisors (27644112).

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

12844980 is an equidigital number, since it uses as much as digits as its factorization.

12844980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908 (or 891 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 12844980 is about 3583.9893973057. The cubic root of 12844980 is about 234.1951035543.

It can be divided in two parts, 12844 and 980, that added together give a cube (13824 = 24³).

The spelling of 12844980 in words is "twelve million, eight hundred forty-four thousand, nine hundred eighty".