12488400686 has 8 divisors (see below), whose sum is σ = 18989212224. Its totient is φ = 6158663280.

The previous prime is 12488400679. The next prime is 12488400733. The reversal of 12488400686 is 68600488421.

It is a happy number.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12488400686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42768350 + ... + 42768641.

It is an arithmetic number, because the mean of its divisors is an integer number (2373651528).

Almost surely, 2^12488400686 is an apocalyptic number.

12488400686 is a deficient number, since it is larger than the sum of its proper divisors (6500811538).

12488400686 is an equidigital number, since it uses as much as digits as its factorization.

12488400686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85537066.

The product of its (nonzero) digits is 589824, while the sum is 47.

The spelling of 12488400686 in words is "twelve billion, four hundred eighty-eight million, four hundred thousand, six hundred eighty-six".