13228069 has 2 divisors, whose sum is σ = 13228070. Its totient is φ = 13228068.

The previous prime is 13228067. The next prime is 13228097. The reversal of 13228069 is 96082231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12687844 + 540225 = 3562^2 + 735^2 .

It is a cyclic number.

It is not a de Polignac number, because 13228069 - 2¹ = 13228067 is a prime.

It is a super-2 number, since 2×13228069² = 349963618937522, which contains 22 as substring.

Together with 13228067, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13228069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13228063) 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 as a sum of consecutive naturals, namely, 6614034 + 6614035.

It is an arithmetic number, because the mean of its divisors is an integer number (6614035).

Almost surely, 2^13228069 is an apocalyptic number.

It is an amenable number.

13228069 is a deficient number, since it is larger than the sum of its proper divisors (1).

13228069 is an equidigital number, since it uses as much as digits as its factorization.

13228069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 13228069 is about 3637.0412425487. The cubic root of 13228069 is about 236.5005475362.

The spelling of 13228069 in words is "thirteen million, two hundred twenty-eight thousand, sixty-nine".