13347684305 has 4 divisors (see below), whose sum is σ = 16017221172. Its totient is φ = 10678147440.

The previous prime is 13347684221. The next prime is 13347684307. The reversal of 13347684305 is 50348674331.

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 4310710336 + 9036973969 = 65656^2 + 95063^2 .

It is not a de Polignac number, because 13347684305 - 2¹² = 13347680209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13347684307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1334768426 + ... + 1334768435.

It is an arithmetic number, because the mean of its divisors is an integer number (4004305293).

Almost surely, 2^13347684305 is an apocalyptic number.

It is an amenable number.

13347684305 is a deficient number, since it is larger than the sum of its proper divisors (2669536867).

13347684305 is an equidigital number, since it uses as much as digits as its factorization.

13347684305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669536866.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 13347684305 in words is "thirteen billion, three hundred forty-seven million, six hundred eighty-four thousand, three hundred five".