13704805 has 8 divisors (see below), whose sum is σ = 17413272. Its totient is φ = 10318848.

The previous prime is 13704799. The next prime is 13704829. The reversal of 13704805 is 50840731.

13704805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 3702²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 4937284 + 8767521 = 2222^2 + 2961^2 .

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 13704805 - 2³ = 13704797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80532 + ... + 80701.

It is an arithmetic number, because the mean of its divisors is an integer number (2176659).

Almost surely, 2^13704805 is an apocalyptic number.

It is an amenable number.

13704805 is a deficient number, since it is larger than the sum of its proper divisors (3708467).

13704805 is a wasteful number, since it uses less digits than its factorization.

13704805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161255.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 13704805 is about 3702.0001350621. Note that the first 3 decimals coincide. The cubic root of 13704805 is about 239.3082220498.

The spelling of 13704805 in words is "thirteen million, seven hundred four thousand, eight hundred five".