14400447 has 4 divisors (see below), whose sum is σ = 19200600. Its totient is φ = 9600296.

The previous prime is 14400431. The next prime is 14400457. The reversal of 14400447 is 74400441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14400447 - 2⁴ = 14400431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14400457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2400072 + ... + 2400077.

It is an arithmetic number, because the mean of its divisors is an integer number (4800150).

Almost surely, 2^14400447 is an apocalyptic number.

14400447 is a deficient number, since it is larger than the sum of its proper divisors (4800153).

14400447 is an equidigital number, since it uses as much as digits as its factorization.

14400447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4800152.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 14400447 is about 3794.7920891664. The cubic root of 14400447 is about 243.2905971527.

Adding to 14400447 its reverse (74400441), we get a palindrome (88800888).

The spelling of 14400447 in words is "fourteen million, four hundred thousand, four hundred forty-seven".