13422859 has 2 divisors, whose sum is σ = 13422860. Its totient is φ = 13422858.

The previous prime is 13422821. The next prime is 13422881. The reversal of 13422859 is 95822431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13422859 is a prime.

It is not a weakly prime, because it can be changed into another prime (13422259) 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, 6711429 + 6711430.

It is an arithmetic number, because the mean of its divisors is an integer number (6711430).

Almost surely, 2^13422859 is an apocalyptic number.

13422859 is a deficient number, since it is larger than the sum of its proper divisors (1).

13422859 is an equidigital number, since it uses as much as digits as its factorization.

13422859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The square root of 13422859 is about 3663.7220145639. The cubic root of 13422859 is about 237.6557589532.

The spelling of 13422859 in words is "thirteen million, four hundred twenty-two thousand, eight hundred fifty-nine".