13080305 has 32 divisors (see below), whose sum is σ = 19008000. Its totient is φ = 8627136.

The previous prime is 13080289. The next prime is 13080323. The reversal of 13080305 is 50308031.

It is not a de Polignac number, because 13080305 - 2⁴ = 13080289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49604 + ... + 49866.

It is an arithmetic number, because the mean of its divisors is an integer number (594000).

Almost surely, 2^13080305 is an apocalyptic number.

It is an amenable number.

13080305 is a deficient number, since it is larger than the sum of its proper divisors (5927695).

13080305 is an equidigital number, since it uses as much as digits as its factorization.

13080305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 13080305 is about 3616.6704301056. The cubic root of 13080305 is about 235.6166391647.

Adding to 13080305 its reverse (50308031), we get a palindrome (63388336).

The spelling of 13080305 in words is "thirteen million, eighty thousand, three hundred five".