13311322 has 4 divisors (see below), whose sum is σ = 19966986. Its totient is φ = 6655660.

The previous prime is 13311317. The next prime is 13311349. The reversal of 13311322 is 22311331.

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., 12538681 + 772641 = 3541^2 + 879^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13311296 and 13311305.

It is an unprimeable number.

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, 3327829 + ... + 3327832.

Almost surely, 2^13311322 is an apocalyptic number.

13311322 is a deficient number, since it is larger than the sum of its proper divisors (6655664).

13311322 is an equidigital number, since it uses as much as digits as its factorization.

13311322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6655663.

The product of its digits is 108, while the sum is 16.

The square root of 13311322 is about 3648.4684458002. The cubic root of 13311322 is about 236.9956618219.

Adding to 13311322 its reverse (22311331), we get a palindrome (35622653).

Subtracting 13311322 from its reverse (22311331), we obtain a palindrome (9000009).

The spelling of 13311322 in words is "thirteen million, three hundred eleven thousand, three hundred twenty-two".