13686676 has 6 divisors (see below), whose sum is σ = 23951690. Its totient is φ = 6843336.

The previous prime is 13686641. The next prime is 13686689. The reversal of 13686676 is 67668631.

13686676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11062276 + 2624400 = 3326^2 + 1620^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710831 + ... + 1710838.

Almost surely, 2^13686676 is an apocalyptic number.

It is an amenable number.

13686676 is a deficient number, since it is larger than the sum of its proper divisors (10265014).

13686676 is a wasteful number, since it uses less digits than its factorization.

13686676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3421673 (or 3421671 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The square root of 13686676 is about 3699.5507835412. The cubic root of 13686676 is about 239.2026548625.

The spelling of 13686676 in words is "thirteen million, six hundred eighty-six thousand, six hundred seventy-six".