12982189 has 16 divisors (see below), whose sum is σ = 14958720. Its totient is φ = 11172480.

The previous prime is 12982181. The next prime is 12982213. The reversal of 12982189 is 98128921.

It is not a de Polignac number, because 12982189 - 2³ = 12982181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12982181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133789 + ... + 133885.

It is an arithmetic number, because the mean of its divisors is an integer number (934920).

Almost surely, 2^12982189 is an apocalyptic number.

It is an amenable number.

12982189 is a deficient number, since it is larger than the sum of its proper divisors (1976531).

12982189 is an frugal number, since it uses more digits than its factorization.

12982189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 131 counting only the distinct ones).

The product of its digits is 20736, while the sum is 40.

The square root of 12982189 is about 3603.0804875828. The cubic root of 12982189 is about 235.0260360470.

The spelling of 12982189 in words is "twelve million, nine hundred eighty-two thousand, one hundred eighty-nine".