13683818 has 8 divisors (see below), whose sum is σ = 20547648. Its totient is φ = 6834604.

The previous prime is 13683809. The next prime is 13683823. The reversal of 13683818 is 81838631.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 896 + ... + 5307.

It is an arithmetic number, because the mean of its divisors is an integer number (2568456).

Almost surely, 2^13683818 is an apocalyptic number.

13683818 is a deficient number, since it is larger than the sum of its proper divisors (6863830).

13683818 is a wasteful number, since it uses less digits than its factorization.

13683818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7308.

The product of its digits is 27648, while the sum is 38.

The square root of 13683818 is about 3699.1645002622. The cubic root of 13683818 is about 239.1860039051.

The spelling of 13683818 in words is "thirteen million, six hundred eighty-three thousand, eight hundred eighteen".