12588887 has 8 divisors (see below), whose sum is σ = 13420800. Its totient is φ = 11773944.

The previous prime is 12588881. The next prime is 12588899. The reversal of 12588887 is 78888521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12588887 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 (12588881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2693 + ... + 5694.

It is an arithmetic number, because the mean of its divisors is an integer number (1677600).

Almost surely, 2^12588887 is an apocalyptic number.

12588887 is a deficient number, since it is larger than the sum of its proper divisors (831913).

12588887 is an equidigital number, since it uses as much as digits as its factorization.

12588887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8485.

The product of its digits is 286720, while the sum is 47.

The square root of 12588887 is about 3548.0821580116. The cubic root of 12588887 is about 232.6282454307.

The spelling of 12588887 in words is "twelve million, five hundred eighty-eight thousand, eight hundred eighty-seven".