13310321 has 2 divisors, whose sum is σ = 13310322. Its totient is φ = 13310320.

The previous prime is 13310293. The next prime is 13310327. The reversal of 13310321 is 12301331.

13310321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11999296 + 1311025 = 3464^2 + 1145^2 .

It is a cyclic number.

It is not a de Polignac number, because 13310321 - 2⁶ = 13310257 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13310296 and 13310305.

It is not a weakly prime, because it can be changed into another prime (13310327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6655160 + 6655161.

It is an arithmetic number, because the mean of its divisors is an integer number (6655161).

Almost surely, 2^13310321 is an apocalyptic number.

It is an amenable number.

13310321 is a deficient number, since it is larger than the sum of its proper divisors (1).

13310321 is an equidigital number, since it uses as much as digits as its factorization.

13310321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 13310321 is about 3648.3312623719. The cubic root of 13310321 is about 236.9897210494.

Adding to 13310321 its reverse (12301331), we get a palindrome (25611652).

It can be divided in two parts, 13310 and 321, that added together give a palindrome (13631).

The spelling of 13310321 in words is "thirteen million, three hundred ten thousand, three hundred twenty-one".