13685456776996 has 27 divisors (see below), whose sum is σ = 24200266407219. Its totient is φ = 6771829655808.

The previous prime is 13685456776973. The next prime is 13685456777009. The reversal of 13685456776996 is 69967765458631.

The square root of 13685456776996 is 3699386.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 5169939062500 + 8515517714496 = 2273750^2 + 2918136^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 717671350 + ... + 717690418.

Almost surely, 2^{13685456776996} is an apocalyptic number.

13685456776996 is the 3699386-th square number.

It is an amenable number.

13685456776996 is a deficient number, since it is larger than the sum of its proper divisors (10514809630223).

13685456776996 is an frugal number, since it uses more digits than its factorization.

13685456776996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38336 (or 19168 counting only the distinct ones).

The product of its digits is 12345177600, while the sum is 82.

The spelling of 13685456776996 in words is "thirteen trillion, six hundred eighty-five billion, four hundred fifty-six million, seven hundred seventy-six thousand, nine hundred ninety-six".