12868089 has 8 divisors (see below), whose sum is σ = 18477312. Its totient is φ = 7918800.

The previous prime is 12868039. The next prime is 12868103. The reversal of 12868089 is 98086821.

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

It is not a de Polignac number, because 12868089 - 2⁹ = 12867577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12868089.

It is not an unprimeable number, because it can be changed into a prime (12868039) by changing a digit.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164937 + ... + 165014.

It is an arithmetic number, because the mean of its divisors is an integer number (2309664).

Almost surely, 2^12868089 is an apocalyptic number.

It is an amenable number.

12868089 is a deficient number, since it is larger than the sum of its proper divisors (5609223).

12868089 is a wasteful number, since it uses less digits than its factorization.

12868089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329967.

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 12868089 is about 3587.2118699625. The cubic root of 12868089 is about 234.3354637666.

The spelling of 12868089 in words is "twelve million, eight hundred sixty-eight thousand, eighty-nine".