14691191 has 2 divisors, whose sum is σ = 14691192. Its totient is φ = 14691190.

The previous prime is 14691167. The next prime is 14691239. The reversal of 14691191 is 19119641.

It is a weak prime.

It is an emirp because it is prime and its reverse (19119641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14691191 - 2²² = 10496887 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14691151) 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 as a sum of consecutive naturals, namely, 7345595 + 7345596.

It is an arithmetic number, because the mean of its divisors is an integer number (7345596).

Almost surely, 2^14691191 is an apocalyptic number.

14691191 is a deficient number, since it is larger than the sum of its proper divisors (1).

14691191 is an equidigital number, since it uses as much as digits as its factorization.

14691191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 32.

The square root of 14691191 is about 3832.9089475228. The cubic root of 14691191 is about 244.9170398001.

The spelling of 14691191 in words is "fourteen million, six hundred ninety-one thousand, one hundred ninety-one".