13822859 has 2 divisors, whose sum is σ = 13822860. Its totient is φ = 13822858.

The previous prime is 13822847. The next prime is 13822901. The reversal of 13822859 is 95822831.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13822859 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13822829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6911429 + 6911430.

It is an arithmetic number, because the mean of its divisors is an integer number (6911430).

Almost surely, 2^13822859 is an apocalyptic number.

13822859 is a deficient number, since it is larger than the sum of its proper divisors (1).

13822859 is an equidigital number, since it uses as much as digits as its factorization.

13822859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 38.

The square root of 13822859 is about 3717.9105691235. The cubic root of 13822859 is about 239.9933968091.

The spelling of 13822859 in words is "thirteen million, eight hundred twenty-two thousand, eight hundred fifty-nine".