14431447 has 2 divisors, whose sum is σ = 14431448. Its totient is φ = 14431446.

The previous prime is 14431429. The next prime is 14431451. The reversal of 14431447 is 74413441.

14431447 is nontrivially palindromic in base 11.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14431447 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 (14431427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7215723 + 7215724.

It is an arithmetic number, because the mean of its divisors is an integer number (7215724).

Almost surely, 2^14431447 is an apocalyptic number.

14431447 is a deficient number, since it is larger than the sum of its proper divisors (1).

14431447 is an equidigital number, since it uses as much as digits as its factorization.

14431447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 28.

The square root of 14431447 is about 3798.8744385673. The cubic root of 14431447 is about 243.4650501414.

Adding to 14431447 its reverse (74413441), we get a palindrome (88844888).

It can be divided in two parts, 14431 and 447, that added together give a triangular number (14878 = T₁₇₂).

The spelling of 14431447 in words is "fourteen million, four hundred thirty-one thousand, four hundred forty-seven".