14317891 has 16 divisors (see below), whose sum is σ = 17247744. Its totient is φ = 11620224.

The previous prime is 14317889. The next prime is 14317903. The reversal of 14317891 is 19871341.

It is not a de Polignac number, because 14317891 - 2¹ = 14317889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14317871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17800 + ... + 18586.

It is an arithmetic number, because the mean of its divisors is an integer number (1077984).

Almost surely, 2^14317891 is an apocalyptic number.

14317891 is a deficient number, since it is larger than the sum of its proper divisors (2929853).

14317891 is a wasteful number, since it uses less digits than its factorization.

14317891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930.

The product of its digits is 6048, while the sum is 34.

The square root of 14317891 is about 3783.8989151403. The cubic root of 14317891 is about 242.8247874674.

The spelling of 14317891 in words is "fourteen million, three hundred seventeen thousand, eight hundred ninety-one".