12989089 has 8 divisors (see below), whose sum is σ = 13757760. Its totient is φ = 12237456.

The previous prime is 12989083. The next prime is 12989111. The reversal of 12989089 is 98098921.

It is a happy number.

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 12989089 - 2⁵ = 12989057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12989083) 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, 2674 + ... + 5755.

It is an arithmetic number, because the mean of its divisors is an integer number (1719720).

Almost surely, 2^12989089 is an apocalyptic number.

It is an amenable number.

12989089 is a deficient number, since it is larger than the sum of its proper divisors (768671).

12989089 is an equidigital number, since it uses as much as digits as its factorization.

12989089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8519.

The product of its (nonzero) digits is 93312, while the sum is 46.

The square root of 12989089 is about 3604.0378743848. The cubic root of 12989089 is about 235.0676672497.

The spelling of 12989089 in words is "twelve million, nine hundred eighty-nine thousand, eighty-nine".