13422089 has 2 divisors, whose sum is σ = 13422090. Its totient is φ = 13422088.

The previous prime is 13422077. The next prime is 13422107. The reversal of 13422089 is 98022431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7246864 + 6175225 = 2692^2 + 2485^2 .

It is a cyclic number.

It is not a de Polignac number, because 13422089 - 2⁸ = 13421833 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13422049) 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, 6711044 + 6711045.

It is an arithmetic number, because the mean of its divisors is an integer number (6711045).

Almost surely, 2^13422089 is an apocalyptic number.

It is an amenable number.

13422089 is a deficient number, since it is larger than the sum of its proper divisors (1).

13422089 is an equidigital number, since it uses as much as digits as its factorization.

13422089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 13422089 is about 3663.6169286649. The cubic root of 13422089 is about 237.6512145057.

The spelling of 13422089 in words is "thirteen million, four hundred twenty-two thousand, eighty-nine".