13918871 has 2 divisors, whose sum is σ = 13918872. Its totient is φ = 13918870.

The previous prime is 13918843. The next prime is 13918889. The reversal of 13918871 is 17881931.

13918871 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 is an emirp because it is prime and its reverse (17881931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13918871 - 2¹⁰ = 13917847 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13018871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6959435 + 6959436.

It is an arithmetic number, because the mean of its divisors is an integer number (6959436).

Almost surely, 2^13918871 is an apocalyptic number.

13918871 is a deficient number, since it is larger than the sum of its proper divisors (1).

13918871 is an equidigital number, since it uses as much as digits as its factorization.

13918871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 38.

The square root of 13918871 is about 3730.8003162860. The cubic root of 13918871 is about 240.5477708193.

The spelling of 13918871 in words is "thirteen million, nine hundred eighteen thousand, eight hundred seventy-one".