12886189 has 8 divisors (see below), whose sum is σ = 13193600. Its totient is φ = 12582000.

The previous prime is 12886183. The next prime is 12886213. The reversal of 12886189 is 98168821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12886189 - 2⁷ = 12886061 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 (12886183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8512 + ... + 9910.

It is an arithmetic number, because the mean of its divisors is an integer number (1649200).

Almost surely, 2^12886189 is an apocalyptic number.

It is an amenable number.

12886189 is a deficient number, since it is larger than the sum of its proper divisors (307411).

12886189 is a wasteful number, since it uses less digits than its factorization.

12886189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611.

The product of its digits is 55296, while the sum is 43.

The square root of 12886189 is about 3589.7338341443. The cubic root of 12886189 is about 234.4452828390.

The spelling of 12886189 in words is "twelve million, eight hundred eighty-six thousand, one hundred eighty-nine".