14191291 has 4 divisors (see below), whose sum is σ = 14198832. Its totient is φ = 14183752.

The previous prime is 14191279. The next prime is 14191297. The reversal of 14191291 is 19219141.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 14191291 - 2⁹ = 14190779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14191297) 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 3 ways as a sum of consecutive naturals, for example, 1665 + ... + 5581.

It is an arithmetic number, because the mean of its divisors is an integer number (3549708).

Almost surely, 2^14191291 is an apocalyptic number.

14191291 is a deficient number, since it is larger than the sum of its proper divisors (7541).

14191291 is an equidigital number, since it uses as much as digits as its factorization.

14191291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7540.

The product of its digits is 648, while the sum is 28.

The square root of 14191291 is about 3767.1329947322. The cubic root of 14191291 is about 242.1069752217.

The spelling of 14191291 in words is "fourteen million, one hundred ninety-one thousand, two hundred ninety-one".