12587888649208 has 32 divisors (see below), whose sum is σ = 24364505612160. Its totient is φ = 6090701322240.

The previous prime is 12587888649191. The next prime is 12587888649253. The reversal of 12587888649208 is 80294688878521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6354960 + ... + 8096992.

It is an arithmetic number, because the mean of its divisors is an integer number (761390800380).

Almost surely, 2^{12587888649208} is an apocalyptic number.

It is an amenable number.

12587888649208 is a deficient number, since it is larger than the sum of its proper divisors (11776616962952).

12587888649208 is a wasteful number, since it uses less digits than its factorization.

12587888649208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771207 (or 1771203 counting only the distinct ones).

The product of its (nonzero) digits is 990904320, while the sum is 76.

The spelling of 12587888649208 in words is "twelve trillion, five hundred eighty-seven billion, eight hundred eighty-eight million, six hundred forty-nine thousand, two hundred eight".