14420447 has 4 divisors (see below), whose sum is σ = 14509080. Its totient is φ = 14331816.

The previous prime is 14420431. The next prime is 14420459. The reversal of 14420447 is 74402441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74402441 = 269 ⋅276589.

It is a cyclic number.

It is not a de Polignac number, because 14420447 - 2⁴ = 14420431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14420467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44072 + ... + 44397.

It is an arithmetic number, because the mean of its divisors is an integer number (3627270).

Almost surely, 2^14420447 is an apocalyptic number.

14420447 is a deficient number, since it is larger than the sum of its proper divisors (88633).

14420447 is an equidigital number, since it uses as much as digits as its factorization.

14420447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88632.

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 14420447 is about 3797.4263653164. The cubic root of 14420447 is about 243.4031760900.

Adding to 14420447 its reverse (74402441), we get a palindrome (88822888).

The spelling of 14420447 in words is "fourteen million, four hundred twenty thousand, four hundred forty-seven".