13228272005 has 16 divisors (see below), whose sum is σ = 17557027824. Its totient is φ = 9504552960.

The previous prime is 13228271977. The next prime is 13228272037. The reversal of 13228272005 is 50027282231.

13228272005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1459927681 + 11768344324 = 38209^2 + 108482^2 .

It is not a de Polignac number, because 13228272005 - 2³⁰ = 12154530181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2747756 + ... + 2752565.

It is an arithmetic number, because the mean of its divisors is an integer number (1097314239).

Almost surely, 2^13228272005 is an apocalyptic number.

It is an amenable number.

13228272005 is a deficient number, since it is larger than the sum of its proper divisors (4328755819).

13228272005 is a wasteful number, since it uses less digits than its factorization.

13228272005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500376.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 13228272005 in words is "thirteen billion, two hundred twenty-eight million, two hundred seventy-two thousand, five".