13280224 has 24 divisors (see below), whose sum is σ = 26444880. Its totient is φ = 6564096.

The previous prime is 13280219. The next prime is 13280227. The reversal of 13280224 is 42208231.

It is a junction number, because it is equal to n+sod(n) for n = 13280195 and 13280204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13280227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517 + ... + 5179.

It is an arithmetic number, because the mean of its divisors is an integer number (1101870).

Almost surely, 2^13280224 is an apocalyptic number.

It is an amenable number.

13280224 is a deficient number, since it is larger than the sum of its proper divisors (13164656).

13280224 is an equidigital number, since it uses as much as digits as its factorization.

13280224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4762 (or 4754 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 13280224 is about 3644.2041655209. The cubic root of 13280224 is about 236.8109609609.

Adding to 13280224 its reverse (42208231), we get a palindrome (55488455).

The spelling of 13280224 in words is "thirteen million, two hundred eighty thousand, two hundred twenty-four".