14783891 has 2 divisors, whose sum is σ = 14783892. Its totient is φ = 14783890.

The previous prime is 14783849. The next prime is 14783893. The reversal of 14783891 is 19838741.

14783891 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 14783891 - 2⁶ = 14783827 is a prime.

Together with 14783893, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14783893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7391945 + 7391946.

It is an arithmetic number, because the mean of its divisors is an integer number (7391946).

Almost surely, 2^14783891 is an apocalyptic number.

14783891 is a deficient number, since it is larger than the sum of its proper divisors (1).

14783891 is an equidigital number, since it uses as much as digits as its factorization.

14783891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 41.

The square root of 14783891 is about 3844.9825747329. The cubic root of 14783891 is about 245.4310944092.

The spelling of 14783891 in words is "fourteen million, seven hundred eighty-three thousand, eight hundred ninety-one".