14318891 has 2 divisors, whose sum is σ = 14318892. Its totient is φ = 14318890.

The previous prime is 14318873. The next prime is 14318897. The reversal of 14318891 is 19881341.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14318891 - 2¹⁸ = 14056747 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14318897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7159445 + 7159446.

It is an arithmetic number, because the mean of its divisors is an integer number (7159446).

Almost surely, 2^14318891 is an apocalyptic number.

14318891 is a deficient number, since it is larger than the sum of its proper divisors (1).

14318891 is an equidigital number, since it uses as much as digits as its factorization.

14318891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 35.

The square root of 14318891 is about 3784.0310516696. The cubic root of 14318891 is about 242.8304405145.

The spelling of 14318891 in words is "fourteen million, three hundred eighteen thousand, eight hundred ninety-one".