13684038 has 8 divisors (see below), whose sum is σ = 27368088. Its totient is φ = 4561344.

The previous prime is 13684007. The next prime is 13684039. The reversal of 13684038 is 83048631.

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

13684038 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13684039) by changing a digit.

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, 1140331 + ... + 1140342.

It is an arithmetic number, because the mean of its divisors is an integer number (3421011).

Almost surely, 2^13684038 is an apocalyptic number.

13684038 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13684038 is a wasteful number, since it uses less digits than its factorization.

13684038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280678.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 13684038 is about 3699.1942365872. The cubic root of 13684038 is about 239.1872857267.

The spelling of 13684038 in words is "thirteen million, six hundred eighty-four thousand, thirty-eight".