14409971 has 2 divisors, whose sum is σ = 14409972. Its totient is φ = 14409970.

The previous prime is 14409919. The next prime is 14409977. The reversal of 14409971 is 17990441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14409971 - 2¹⁸ = 14147827 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14409977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7204985 + 7204986.

It is an arithmetic number, because the mean of its divisors is an integer number (7204986).

Almost surely, 2^14409971 is an apocalyptic number.

14409971 is a deficient number, since it is larger than the sum of its proper divisors (1).

14409971 is an equidigital number, since it uses as much as digits as its factorization.

14409971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 14409971 is about 3796.0467594591. The cubic root of 14409971 is about 243.3442202339.

It can be divided in two parts, 1440 and 9971, that added together give a palindrome (11411).

The spelling of 14409971 in words is "fourteen million, four hundred nine thousand, nine hundred seventy-one".