13122227 has 2 divisors, whose sum is σ = 13122228. Its totient is φ = 13122226.

The previous prime is 13122211. The next prime is 13122229. The reversal of 13122227 is 72222131.

13122227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (72222131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13122227 - 2⁴ = 13122211 is a prime.

Together with 13122229, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13122199 and 13122208.

It is not a weakly prime, because it can be changed into another prime (13122229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561113 + 6561114.

It is an arithmetic number, because the mean of its divisors is an integer number (6561114).

Almost surely, 2^13122227 is an apocalyptic number.

13122227 is a deficient number, since it is larger than the sum of its proper divisors (1).

13122227 is an equidigital number, since it uses as much as digits as its factorization.

13122227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 20.

The square root of 13122227 is about 3622.4614559716. The cubic root of 13122227 is about 235.8680855722.

Adding to 13122227 its reverse (72222131), we get a palindrome (85344358).

The spelling of 13122227 in words is "thirteen million, one hundred twenty-two thousand, two hundred twenty-seven".