13722089 has 2 divisors, whose sum is σ = 13722090. Its totient is φ = 13722088.

The previous prime is 13722083. The next prime is 13722091. The reversal of 13722089 is 98022731.

13722089 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., 9985600 + 3736489 = 3160^2 + 1933^2 .

It is a cyclic number.

It is not a de Polignac number, because 13722089 - 2⁸ = 13721833 is a prime.

Together with 13722091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13722083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6861044 + 6861045.

It is an arithmetic number, because the mean of its divisors is an integer number (6861045).

Almost surely, 2^13722089 is an apocalyptic number.

It is an amenable number.

13722089 is a deficient number, since it is larger than the sum of its proper divisors (1).

13722089 is an equidigital number, since it uses as much as digits as its factorization.

13722089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 13722089 is about 3704.3338132517. Note that the first 3 decimals coincide. The cubic root of 13722089 is about 239.4087820533.

The spelling of 13722089 in words is "thirteen million, seven hundred twenty-two thousand, eighty-nine".