12900980 has 12 divisors (see below), whose sum is σ = 27092100. Its totient is φ = 5160384.

The previous prime is 12900959. The next prime is 12901001. The reversal of 12900980 is 8900921.

12900980 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 (12900959) and next prime (12901001).

It can be written as a sum of positive squares in 2 ways, for example, as 6770404 + 6130576 = 2602^2 + 2476^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322505 + ... + 322544.

It is an arithmetic number, because the mean of its divisors is an integer number (2257675).

Almost surely, 2^12900980 is an apocalyptic number.

12900980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12900980 is an abundant number, since it is smaller than the sum of its proper divisors (14191120).

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

12900980 is a wasteful number, since it uses less digits than its factorization.

12900980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645058 (or 645056 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 12900980 is about 3591.7934239040. The cubic root of 12900980 is about 234.5349487148.

The spelling of 12900980 in words is "twelve million, nine hundred thousand, nine hundred eighty".