13686343 has 8 divisors (see below), whose sum is σ = 15809040. Its totient is φ = 11710080.

The previous prime is 13686319. The next prime is 13686359. The reversal of 13686343 is 34368631.

13686343 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13686343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13686299 and 13686308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13686373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36408 + ... + 36781.

It is an arithmetic number, because the mean of its divisors is an integer number (1976130).

Almost surely, 2^13686343 is an apocalyptic number.

13686343 is a deficient number, since it is larger than the sum of its proper divisors (2122697).

13686343 is a wasteful number, since it uses less digits than its factorization.

13686343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73217.

The product of its digits is 31104, while the sum is 34.

The square root of 13686343 is about 3699.5057778033. The cubic root of 13686343 is about 239.2007148948.

The spelling of 13686343 in words is "thirteen million, six hundred eighty-six thousand, three hundred forty-three".