13580473 has 4 divisors (see below), whose sum is σ = 13600548. Its totient is φ = 13560400.

The previous prime is 13580429. The next prime is 13580507. The reversal of 13580473 is 37408531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8048569 + 5531904 = 2837^2 + 2352^2 .

It is a cyclic number.

It is not a de Polignac number, because 13580473 - 2⁹ = 13579961 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13580423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8986 + ... + 10387.

It is an arithmetic number, because the mean of its divisors is an integer number (3400137).

Almost surely, 2^13580473 is an apocalyptic number.

It is an amenable number.

13580473 is a deficient number, since it is larger than the sum of its proper divisors (20075).

13580473 is an equidigital number, since it uses as much as digits as its factorization.

13580473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20074.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 13580473 is about 3685.1693312520. The cubic root of 13580473 is about 238.5823427526.

It can be divided in two parts, 135 and 80473, that added together give a palindrome (80608).

The spelling of 13580473 in words is "thirteen million, five hundred eighty thousand, four hundred seventy-three".