13205064327 has 64 divisors (see below), whose sum is σ = 22653173760. Its totient is φ = 6654960000.

The previous prime is 13205064319. The next prime is 13205064337. The reversal of 13205064327 is 72346050231.

It is not a de Polignac number, because 13205064327 - 2³ = 13205064319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13205064337) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 658702 + ... + 678452.

It is an arithmetic number, because the mean of its divisors is an integer number (353955840).

Almost surely, 2^13205064327 is an apocalyptic number.

13205064327 is a deficient number, since it is larger than the sum of its proper divisors (9448109433).

13205064327 is a wasteful number, since it uses less digits than its factorization.

13205064327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19884.

The product of its (nonzero) digits is 30240, while the sum is 33.

The spelling of 13205064327 in words is "thirteen billion, two hundred five million, sixty-four thousand, three hundred twenty-seven".