13009807 has 2 divisors, whose sum is σ = 13009808. Its totient is φ = 13009806.

The previous prime is 13009781. The next prime is 13009817. The reversal of 13009807 is 70890031.

13009807 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 an emirp because it is prime and its reverse (70890031) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13009807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13009817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6504903 + 6504904.

It is an arithmetic number, because the mean of its divisors is an integer number (6504904).

Almost surely, 2^13009807 is an apocalyptic number.

13009807 is a deficient number, since it is larger than the sum of its proper divisors (1).

13009807 is an equidigital number, since it uses as much as digits as its factorization.

13009807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 13009807 is about 3606.9110052786. The cubic root of 13009807 is about 235.1925809339.

Adding to 13009807 its reverse (70890031), we get a palindrome (83899838).

The spelling of 13009807 in words is "thirteen million, nine thousand, eight hundred seven".