13321303 has 2 divisors, whose sum is σ = 13321304. Its totient is φ = 13321302.

The previous prime is 13321283. The next prime is 13321307. The reversal of 13321303 is 30312331.

13321303 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 is a cyclic number.

It is not a de Polignac number, because 13321303 - 2¹⁷ = 13190231 is a prime.

It is a super-2 number, since 2×13321303² = 354914227235618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13321307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6660651 + 6660652.

It is an arithmetic number, because the mean of its divisors is an integer number (6660652).

Almost surely, 2^13321303 is an apocalyptic number.

13321303 is a deficient number, since it is larger than the sum of its proper divisors (1).

13321303 is an equidigital number, since it uses as much as digits as its factorization.

13321303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 13321303 is about 3649.8360237139. The cubic root of 13321303 is about 237.0548811524.

Adding to 13321303 its reverse (30312331), we get a palindrome (43633634).

The spelling of 13321303 in words is "thirteen million, three hundred twenty-one thousand, three hundred three".