14260991 has 2 divisors, whose sum is σ = 14260992. Its totient is φ = 14260990.

The previous prime is 14260979. The next prime is 14260997. The reversal of 14260991 is 19906241.

It is a strong prime.

It is an emirp because it is prime and its reverse (19906241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14260991 - 2⁶ = 14260927 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 (14260997) 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, 7130495 + 7130496.

It is an arithmetic number, because the mean of its divisors is an integer number (7130496).

Almost surely, 2^14260991 is an apocalyptic number.

14260991 is a deficient number, since it is larger than the sum of its proper divisors (1).

14260991 is an equidigital number, since it uses as much as digits as its factorization.

14260991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 14260991 is about 3776.3727305445. The cubic root of 14260991 is about 242.5026945533.

It can be divided in two parts, 14260 and 991, that added together give a palindrome (15251).

The spelling of 14260991 in words is "fourteen million, two hundred sixty thousand, nine hundred ninety-one".