13288105 has 8 divisors (see below), whose sum is σ = 15979464. Its totient is φ = 10608000.

The previous prime is 13288103. The next prime is 13288109. The reversal of 13288105 is 50188231.

It can be written as a sum of positive squares in 4 ways, for example, as 385641 + 12902464 = 621^2 + 3592^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13288105 - 2¹ = 13288103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13288103) 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 7 ways as a sum of consecutive naturals, for example, 55 + ... + 5155.

It is an arithmetic number, because the mean of its divisors is an integer number (1997433).

Almost surely, 2^13288105 is an apocalyptic number.

It is an amenable number.

13288105 is a deficient number, since it is larger than the sum of its proper divisors (2691359).

13288105 is an equidigital number, since it uses as much as digits as its factorization.

13288105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5627.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 13288105 is about 3645.2853111931. The cubic root of 13288105 is about 236.8577959672.

The spelling of 13288105 in words is "thirteen million, two hundred eighty-eight thousand, one hundred five".