13689227 has 2 divisors, whose sum is σ = 13689228. Its totient is φ = 13689226.

The previous prime is 13689191. The next prime is 13689241. The reversal of 13689227 is 72298631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13689227 - 2¹⁴ = 13672843 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13689257) 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, 6844613 + 6844614.

It is an arithmetic number, because the mean of its divisors is an integer number (6844614).

Almost surely, 2^13689227 is an apocalyptic number.

13689227 is a deficient number, since it is larger than the sum of its proper divisors (1).

13689227 is an equidigital number, since it uses as much as digits as its factorization.

13689227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 38.

The square root of 13689227 is about 3699.8955390659. The cubic root of 13689227 is about 239.2175152534.

The spelling of 13689227 in words is "thirteen million, six hundred eighty-nine thousand, two hundred twenty-seven".