13227655 has 16 divisors (see below), whose sum is σ = 18399744. Its totient is φ = 8940960.

The previous prime is 13227647. The next prime is 13227659. The reversal of 13227655 is 55672231.

It is not a de Polignac number, because 13227655 - 2³ = 13227647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13227659) 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, 177 + ... + 5146.

It is an arithmetic number, because the mean of its divisors is an integer number (1149984).

Almost surely, 2^13227655 is an apocalyptic number.

13227655 is a deficient number, since it is larger than the sum of its proper divisors (5172089).

13227655 is an equidigital number, since it uses as much as digits as its factorization.

13227655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5406.

The product of its digits is 12600, while the sum is 31.

The square root of 13227655 is about 3636.9843277089. The cubic root of 13227655 is about 236.4980802512.

Adding to 13227655 its reverse (55672231), we get a palindrome (68899886).

The spelling of 13227655 in words is "thirteen million, two hundred twenty-seven thousand, six hundred fifty-five".