13280122 has 4 divisors (see below), whose sum is σ = 19920186. Its totient is φ = 6640060.

The previous prime is 13280119. The next prime is 13280123. The reversal of 13280122 is 22108231.

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

It can be written as a sum of positive squares in only one way, i.e., 12453841 + 826281 = 3529^2 + 909^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13280122.

It is not an unprimeable number, because it can be changed into a prime (13280123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3320029 + ... + 3320032.

Almost surely, 2^13280122 is an apocalyptic number.

13280122 is a deficient number, since it is larger than the sum of its proper divisors (6640064).

13280122 is an equidigital number, since it uses as much as digits as its factorization.

13280122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6640063.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 13280122 is about 3644.1901706689. The cubic root of 13280122 is about 236.8103546764.

Adding to 13280122 its reverse (22108231), we get a palindrome (35388353).

The spelling of 13280122 in words is "thirteen million, two hundred eighty thousand, one hundred twenty-two".