13228211 has 2 divisors, whose sum is σ = 13228212. Its totient is φ = 13228210.

The previous prime is 13228207. The next prime is 13228247. The reversal of 13228211 is 11282231.

It is a weak prime.

It is an emirp because it is prime and its reverse (11282231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13228211 - 2² = 13228207 is a prime.

It is not a weakly prime, because it can be changed into another prime (13288211) 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 as a sum of consecutive naturals, namely, 6614105 + 6614106.

It is an arithmetic number, because the mean of its divisors is an integer number (6614106).

Almost surely, 2^13228211 is an apocalyptic number.

13228211 is a deficient number, since it is larger than the sum of its proper divisors (1).

13228211 is an equidigital number, since it uses as much as digits as its factorization.

13228211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 20.

The square root of 13228211 is about 3637.0607638586. The cubic root of 13228211 is about 236.5013937911.

The spelling of 13228211 in words is "thirteen million, two hundred twenty-eight thousand, two hundred eleven".