12589687 has 6 divisors (see below), whose sum is σ = 13838384. Its totient is φ = 11445060.

The previous prime is 12589651. The next prime is 12589691. The reversal of 12589687 is 78698521.

It is not a de Polignac number, because 12589687 - 2⁷ = 12589559 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 (12589387) 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 5 ways as a sum of consecutive naturals, for example, 51903 + ... + 52144.

Almost surely, 2^12589687 is an apocalyptic number.

12589687 is a deficient number, since it is larger than the sum of its proper divisors (1248697).

12589687 is a wasteful number, since it uses less digits than its factorization.

12589687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104069 (or 104058 counting only the distinct ones).

The product of its digits is 241920, while the sum is 46.

The square root of 12589687 is about 3548.1948931816. The cubic root of 12589687 is about 232.6331730215.

The spelling of 12589687 in words is "twelve million, five hundred eighty-nine thousand, six hundred eighty-seven".