13280323 has 6 divisors (see below), whose sum is σ = 15448596. Its totient is φ = 11383092.

The previous prime is 13280321. The next prime is 13280327. The reversal of 13280323 is 32308231.

It is a happy number.

It is not a de Polignac number, because 13280323 - 2¹ = 13280321 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 13280294 and 13280303.

It is not an unprimeable number, because it can be changed into a prime (13280321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135465 + ... + 135562.

It is an arithmetic number, because the mean of its divisors is an integer number (2574766).

Almost surely, 2^13280323 is an apocalyptic number.

13280323 is a deficient number, since it is larger than the sum of its proper divisors (2168273).

13280323 is an equidigital number, since it uses as much as digits as its factorization.

13280323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271041 (or 271034 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 13280323 is about 3644.2177487082. The cubic root of 13280323 is about 236.8115494104.

Adding to 13280323 its reverse (32308231), we get a palindrome (45588554).

The spelling of 13280323 in words is "thirteen million, two hundred eighty thousand, three hundred twenty-three".