13927229 has 2 divisors, whose sum is σ = 13927230. Its totient is φ = 13927228.

The previous prime is 13927219. The next prime is 13927231. The reversal of 13927229 is 92272931.

13927229 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 can be written as a sum of positive squares in only one way, i.e., 13468900 + 458329 = 3670^2 + 677^2 .

It is a cyclic number.

It is not a de Polignac number, because 13927229 - 2¹⁶ = 13861693 is a prime.

Together with 13927231, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13927219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6963614 + 6963615.

It is an arithmetic number, because the mean of its divisors is an integer number (6963615).

Almost surely, 2^13927229 is an apocalyptic number.

It is an amenable number.

13927229 is a deficient number, since it is larger than the sum of its proper divisors (1).

13927229 is an equidigital number, since it uses as much as digits as its factorization.

13927229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 35.

The square root of 13927229 is about 3731.9202831786. The cubic root of 13927229 is about 240.5959092059.

The spelling of 13927229 in words is "thirteen million, nine hundred twenty-seven thousand, two hundred twenty-nine".