12980489 has 2 divisors, whose sum is σ = 12980490. Its totient is φ = 12980488.

The previous prime is 12980479. The next prime is 12980519. The reversal of 12980489 is 98408921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12020089 + 960400 = 3467^2 + 980^2 .

It is a cyclic number.

It is not a de Polignac number, because 12980489 - 2¹⁶ = 12914953 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12980449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6490244 + 6490245.

It is an arithmetic number, because the mean of its divisors is an integer number (6490245).

Almost surely, 2^12980489 is an apocalyptic number.

It is an amenable number.

12980489 is a deficient number, since it is larger than the sum of its proper divisors (1).

12980489 is an equidigital number, since it uses as much as digits as its factorization.

12980489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 12980489 is about 3602.8445706136. The cubic root of 12980489 is about 235.0157768192.

The spelling of 12980489 in words is "twelve million, nine hundred eighty thousand, four hundred eighty-nine".