14100991 has 2 divisors, whose sum is σ = 14100992. Its totient is φ = 14100990.

The previous prime is 14100949. The next prime is 14101019. The reversal of 14100991 is 19900141.

It is a strong prime.

It is an emirp because it is prime and its reverse (19900141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14100991 - 2¹¹ = 14098943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14100091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7050495 + 7050496.

It is an arithmetic number, because the mean of its divisors is an integer number (7050496).

Almost surely, 2^14100991 is an apocalyptic number.

14100991 is a deficient number, since it is larger than the sum of its proper divisors (1).

14100991 is an equidigital number, since it uses as much as digits as its factorization.

14100991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 14100991 is about 3755.1286262923. The cubic root of 14100991 is about 241.5923686518.

The spelling of 14100991 in words is "fourteen million, one hundred thousand, nine hundred ninety-one".