13684039 has 2 divisors, whose sum is σ = 13684040. Its totient is φ = 13684038.

The previous prime is 13684007. The next prime is 13684049. The reversal of 13684039 is 93048631.

13684039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13684039 - 2⁵ = 13684007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13683995 and 13684013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13684049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6842019 + 6842020.

It is an arithmetic number, because the mean of its divisors is an integer number (6842020).

Almost surely, 2^13684039 is an apocalyptic number.

13684039 is a deficient number, since it is larger than the sum of its proper divisors (1).

13684039 is an equidigital number, since it uses as much as digits as its factorization.

13684039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 13684039 is about 3699.1943717518. The cubic root of 13684039 is about 239.1872915531.

The spelling of 13684039 in words is "thirteen million, six hundred eighty-four thousand, thirty-nine".