13304305 has 16 divisors (see below), whose sum is σ = 18307584. Its totient is φ = 9092160.

The previous prime is 13304303. The next prime is 13304383. The reversal of 13304305 is 50340331.

It is not a de Polignac number, because 13304305 - 2¹ = 13304303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13304303) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15795 + ... + 16615.

It is an arithmetic number, because the mean of its divisors is an integer number (1144224).

Almost surely, 2^13304305 is an apocalyptic number.

It is an amenable number.

13304305 is a deficient number, since it is larger than the sum of its proper divisors (5003279).

13304305 is an equidigital number, since it uses as much as digits as its factorization.

13304305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 13304305 is about 3647.5066826532. The cubic root of 13304305 is about 236.9540107908.

Adding to 13304305 its reverse (50340331), we get a palindrome (63644636).

The spelling of 13304305 in words is "thirteen million, three hundred four thousand, three hundred five".