13816871 has 2 divisors, whose sum is σ = 13816872. Its totient is φ = 13816870.

The previous prime is 13816867. The next prime is 13816879. The reversal of 13816871 is 17861831.

13816871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13816871 - 2² = 13816867 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13816879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6908435 + 6908436.

It is an arithmetic number, because the mean of its divisors is an integer number (6908436).

Almost surely, 2^13816871 is an apocalyptic number.

13816871 is a deficient number, since it is larger than the sum of its proper divisors (1).

13816871 is an equidigital number, since it uses as much as digits as its factorization.

13816871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 35.

The square root of 13816871 is about 3717.1051908710. The cubic root of 13816871 is about 239.9587371191.

The spelling of 13816871 in words is "thirteen million, eight hundred sixteen thousand, eight hundred seventy-one".