12587679 has 24 divisors (see below), whose sum is σ = 19702592. Its totient is φ = 7698240.

The previous prime is 12587677. The next prime is 12587683. The reversal of 12587679 is 97678521.

12587679 is a `hidden beast` number, since 1 + 2 + 587 + 67 + 9 = 666.

It is not a de Polignac number, because 12587679 - 2¹ = 12587677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12587677) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31509 + ... + 31905.

Almost surely, 2^12587679 is an apocalyptic number.

12587679 is a deficient number, since it is larger than the sum of its proper divisors (7114913).

12587679 is a wasteful number, since it uses less digits than its factorization.

12587679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687 (or 684 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 12587679 is about 3547.9119211164. The cubic root of 12587679 is about 232.6208043728.

The spelling of 12587679 in words is "twelve million, five hundred eighty-seven thousand, six hundred seventy-nine".