13065305 has 16 divisors (see below), whose sum is σ = 17236800. Its totient is φ = 9428160.

The previous prime is 13065301. The next prime is 13065307. The reversal of 13065305 is 50356031.

It is not a de Polignac number, because 13065305 - 2² = 13065301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13065301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6791 + ... + 8499.

It is an arithmetic number, because the mean of its divisors is an integer number (1077300).

Almost surely, 2^13065305 is an apocalyptic number.

It is an amenable number.

13065305 is a deficient number, since it is larger than the sum of its proper divisors (4171495).

13065305 is a wasteful number, since it uses less digits than its factorization.

13065305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 13065305 is about 3614.5961046845. The cubic root of 13065305 is about 235.5265392924.

The spelling of 13065305 in words is "thirteen million, sixty-five thousand, three hundred five".