12089189 has 8 divisors (see below), whose sum is σ = 13842048. Its totient is φ = 10342800.

The previous prime is 12089183. The next prime is 12089197. The reversal of 12089189 is 98198021.

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 12089189 - 2⁴ = 12089173 is a prime.

It is a super-2 number, since 2×12089189² = 292296981355442, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12089183) 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, 3464 + ... + 6014.

It is an arithmetic number, because the mean of its divisors is an integer number (1730256).

Almost surely, 2^12089189 is an apocalyptic number.

It is an amenable number.

12089189 is a deficient number, since it is larger than the sum of its proper divisors (1752859).

12089189 is an equidigital number, since it uses as much as digits as its factorization.

12089189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235.

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

The square root of 12089189 is about 3476.9511069326. The cubic root of 12089189 is about 229.5086486109.

The spelling of 12089189 in words is "twelve million, eighty-nine thousand, one hundred eighty-nine".