13320322 has 4 divisors (see below), whose sum is σ = 19980486. Its totient is φ = 6660160.

The previous prime is 13320313. The next prime is 13320343. The reversal of 13320322 is 22302331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22302331 = 107 ⋅208433.

It can be written as a sum of positive squares in only one way, i.e., 13184161 + 136161 = 3631^2 + 369^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13320296 and 13320305.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3330079 + ... + 3330082.

Almost surely, 2^13320322 is an apocalyptic number.

13320322 is a deficient number, since it is larger than the sum of its proper divisors (6660164).

13320322 is an equidigital number, since it uses as much as digits as its factorization.

13320322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6660163.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 13320322 is about 3649.7016316406. The cubic root of 13320322 is about 237.0490619882.

Adding to 13320322 its reverse (22302331), we get a palindrome (35622653).

Subtracting 13320322 from its reverse (22302331), we obtain a square (8982009 = 2997²).

It can be divided in two parts, 133203 and 22, that added together give a square (133225 = 365²).

The spelling of 13320322 in words is "thirteen million, three hundred twenty thousand, three hundred twenty-two".