13020307 has 2 divisors, whose sum is σ = 13020308. Its totient is φ = 13020306.

The previous prime is 13020251. The next prime is 13020331. The reversal of 13020307 is 70302031.

13020307 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 13020307 - 2¹¹ = 13018259 is a prime.

It is not a weakly prime, because it can be changed into another prime (13020347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510153 + 6510154.

It is an arithmetic number, because the mean of its divisors is an integer number (6510154).

Almost surely, 2^13020307 is an apocalyptic number.

13020307 is a deficient number, since it is larger than the sum of its proper divisors (1).

13020307 is an equidigital number, since it uses as much as digits as its factorization.

13020307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 13020307 is about 3608.3662508121. The cubic root of 13020307 is about 235.2558372663.

Adding to 13020307 its reverse (70302031), we get a palindrome (83322338).

The spelling of 13020307 in words is "thirteen million, twenty thousand, three hundred seven".