13704689 has 8 divisors (see below), whose sum is σ = 14121408. Its totient is φ = 13290480.

The previous prime is 13704673. The next prime is 13704707. The reversal of 13704689 is 98640731.

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

It is a cyclic number.

It is not a de Polignac number, because 13704689 - 2⁴ = 13704673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13704289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21404 + ... + 22034.

It is an arithmetic number, because the mean of its divisors is an integer number (1765176).

Almost surely, 2^13704689 is an apocalyptic number.

It is an amenable number.

13704689 is a deficient number, since it is larger than the sum of its proper divisors (416719).

13704689 is an equidigital number, since it uses as much as digits as its factorization.

13704689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 13704689 is about 3701.9844678226. The cubic root of 13704689 is about 239.3075468649.

The spelling of 13704689 in words is "thirteen million, seven hundred four thousand, six hundred eighty-nine".