13321307 has 2 divisors, whose sum is σ = 13321308. Its totient is φ = 13321306.

The previous prime is 13321303. The next prime is 13321313. The reversal of 13321307 is 70312331.

It is a happy number.

13321307 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13321307 - 2² = 13321303 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13321303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6660653 + 6660654.

It is an arithmetic number, because the mean of its divisors is an integer number (6660654).

Almost surely, 2^13321307 is an apocalyptic number.

13321307 is a deficient number, since it is larger than the sum of its proper divisors (1).

13321307 is an equidigital number, since it uses as much as digits as its factorization.

13321307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 13321307 is about 3649.8365716837. The cubic root of 13321307 is about 237.0549048793.

Adding to 13321307 its reverse (70312331), we get a palindrome (83633638).

The spelling of 13321307 in words is "thirteen million, three hundred twenty-one thousand, three hundred seven".