13227889 has 2 divisors, whose sum is σ = 13227890. Its totient is φ = 13227888.

The previous prime is 13227883. The next prime is 13227901. The reversal of 13227889 is 98872231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6801664 + 6426225 = 2608^2 + 2535^2 .

It is an emirp because it is prime and its reverse (98872231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13227889 - 2³ = 13227881 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13227881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6613944 + 6613945.

It is an arithmetic number, because the mean of its divisors is an integer number (6613945).

Almost surely, 2^13227889 is an apocalyptic number.

It is an amenable number.

13227889 is a deficient number, since it is larger than the sum of its proper divisors (1).

13227889 is an equidigital number, since it uses as much as digits as its factorization.

13227889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 40.

The square root of 13227889 is about 3637.0164970756. The cubic root of 13227889 is about 236.4994748099.

The spelling of 13227889 in words is "thirteen million, two hundred twenty-seven thousand, eight hundred eighty-nine".