12980280 has 64 divisors (see below), whose sum is σ = 40642560. Its totient is φ = 3310208.

The previous prime is 12980273. The next prime is 12980309. The reversal of 12980280 is 8208921.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409 + ... + 5111.

It is an arithmetic number, because the mean of its divisors is an integer number (635040).

Almost surely, 2^12980280 is an apocalyptic number.

12980280 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 12980280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20321280).

12980280 is an abundant number, since it is smaller than the sum of its proper divisors (27662280).

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

12980280 is a wasteful number, since it uses less digits than its factorization.

12980280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4740 (or 4736 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 12980280 is about 3602.8155656375. The cubic root of 12980280 is about 235.0145154758.

The spelling of 12980280 in words is "twelve million, nine hundred eighty thousand, two hundred eighty".