14818891 has 2 divisors, whose sum is σ = 14818892. Its totient is φ = 14818890.

The previous prime is 14818861. The next prime is 14818897. The reversal of 14818891 is 19881841.

14818891 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 a cyclic number.

It is not a de Polignac number, because 14818891 - 2⁷ = 14818763 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14818897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7409445 + 7409446.

It is an arithmetic number, because the mean of its divisors is an integer number (7409446).

Almost surely, 2^14818891 is an apocalyptic number.

14818891 is a deficient number, since it is larger than the sum of its proper divisors (1).

14818891 is an equidigital number, since it uses as much as digits as its factorization.

14818891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 40.

The square root of 14818891 is about 3849.5312701678. The cubic root of 14818891 is about 245.6246230357.

The spelling of 14818891 in words is "fourteen million, eight hundred eighteen thousand, eight hundred ninety-one".