13973605 has 8 divisors (see below), whose sum is σ = 17221752. Its totient is φ = 10876608.

The previous prime is 13973593. The next prime is 13973669. The reversal of 13973605 is 50637931.

13973605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4919524 + 9054081 = 2218^2 + 3009^2 .

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 13973605 - 2⁹ = 13973093 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, 37582 + ... + 37951.

It is an arithmetic number, because the mean of its divisors is an integer number (2152719).

Almost surely, 2^13973605 is an apocalyptic number.

It is an amenable number.

13973605 is a deficient number, since it is larger than the sum of its proper divisors (3248147).

13973605 is an equidigital number, since it uses as much as digits as its factorization.

13973605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75575.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 13973605 is about 3738.1285424661. The cubic root of 13973605 is about 240.8626651641.

The spelling of 13973605 in words is "thirteen million, nine hundred seventy-three thousand, six hundred five".