12687608 has 16 divisors (see below), whose sum is σ = 23869080. Its totient is φ = 6322528.

The previous prime is 12687607. The next prime is 12687613. The reversal of 12687608 is 80678621.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12687601) 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 3 ways as a sum of consecutive naturals, for example, 35 + ... + 5037.

Almost surely, 2^12687608 is an apocalyptic number.

It is an amenable number.

12687608 is a deficient number, since it is larger than the sum of its proper divisors (11181472).

12687608 is a wasteful number, since it uses less digits than its factorization.

12687608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5326 (or 5322 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 12687608 is about 3561.9668723895. The cubic root of 12687608 is about 233.2347465601.

The spelling of 12687608 in words is "twelve million, six hundred eighty-seven thousand, six hundred eight".