13987250762686 has 16 divisors (see below), whose sum is σ = 21735865192320. Its totient is φ = 6743591252640.

The previous prime is 13987250762623. The next prime is 13987250762701. The reversal of 13987250762686 is 68626705278931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407204521 + ... + 407238868.

It is an arithmetic number, because the mean of its divisors is an integer number (1358491574520).

Almost surely, 2^{13987250762686} is an apocalyptic number.

13987250762686 is a deficient number, since it is larger than the sum of its proper divisors (7748614429634).

13987250762686 is a wasteful number, since it uses less digits than its factorization.

13987250762686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814443699.

The product of its (nonzero) digits is 365783040, while the sum is 70.

The spelling of 13987250762686 in words is "thirteen trillion, nine hundred eighty-seven billion, two hundred fifty million, seven hundred sixty-two thousand, six hundred eighty-six".