12980189 has 2 divisors, whose sum is σ = 12980190. Its totient is φ = 12980188.

The previous prime is 12980183. The next prime is 12980221. The reversal of 12980189 is 98108921.

12980189 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8323225 + 4656964 = 2885^2 + 2158^2 .

It is a cyclic number.

It is not a de Polignac number, because 12980189 - 2²⁰ = 11931613 is a prime.

It is a super-3 number, since 3×12980189³ (a number of 22 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12980183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6490094 + 6490095.

It is an arithmetic number, because the mean of its divisors is an integer number (6490095).

Almost surely, 2^12980189 is an apocalyptic number.

It is an amenable number.

12980189 is a deficient number, since it is larger than the sum of its proper divisors (1).

12980189 is an equidigital number, since it uses as much as digits as its factorization.

12980189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 38.

The square root of 12980189 is about 3602.8029366037. The cubic root of 12980189 is about 235.0139662742.

The spelling of 12980189 in words is "twelve million, nine hundred eighty thousand, one hundred eighty-nine".