13280585 has 4 divisors (see below), whose sum is σ = 15936708. Its totient is φ = 10624464.

The previous prime is 13280573. The next prime is 13280599. The reversal of 13280585 is 58508231.

It is a happy number.

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 4631104 + 8649481 = 2152^2 + 2941^2 .

It is a cyclic number.

It is not a de Polignac number, because 13280585 - 2¹² = 13276489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1328054 + ... + 1328063.

It is an arithmetic number, because the mean of its divisors is an integer number (3984177).

Almost surely, 2^13280585 is an apocalyptic number.

It is an amenable number.

13280585 is a deficient number, since it is larger than the sum of its proper divisors (2656123).

13280585 is an equidigital number, since it uses as much as digits as its factorization.

13280585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656122.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 13280585 is about 3644.2536958889. The cubic root of 13280585 is about 236.8131067074.

The spelling of 13280585 in words is "thirteen million, two hundred eighty thousand, five hundred eighty-five".