13221000307 has 2 divisors, whose sum is σ = 13221000308. Its totient is φ = 13221000306.

The previous prime is 13221000281. The next prime is 13221000349. The reversal of 13221000307 is 70300012231.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13221000307 is a prime.

It is not a weakly prime, because it can be changed into another prime (13221000607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610500153 + 6610500154.

It is an arithmetic number, because the mean of its divisors is an integer number (6610500154).

Almost surely, 2^13221000307 is an apocalyptic number.

13221000307 is a deficient number, since it is larger than the sum of its proper divisors (1).

13221000307 is an equidigital number, since it uses as much as digits as its factorization.

13221000307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 19.

Adding to 13221000307 its reverse (70300012231), we get a palindrome (83521012538).

The spelling of 13221000307 in words is "thirteen billion, two hundred twenty-one million, three hundred seven", and thus it is an aban number.