10447 has 4 divisors (see below), whose sum is σ = 10816. Its totient is φ = 10080.

The previous prime is 10433. The next prime is 10453. The reversal of 10447 is 74401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74401 = 47 ⋅1583.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10447 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 10447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10427) 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, 138 + ... + 199.

It is an arithmetic number, because the mean of its divisors is an integer number (2704).

2¹⁰⁴⁴⁷ is an apocalyptic number.

10447 is a deficient number, since it is larger than the sum of its proper divisors (369).

10447 is an equidigital number, since it uses as much as digits as its factorization.

10447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 10447 is about 102.2105669684. The cubic root of 10447 is about 21.8606899605.

Adding to 10447 its reverse (74401), we get a palindrome (84848).

It can be divided in two parts, 104 and 47, that added together give a palindrome (151).

The spelling of 10447 in words is "ten thousand, four hundred forty-seven", and thus it is an iban number.