13207723 has 2 divisors, whose sum is σ = 13207724. Its totient is φ = 13207722.

The previous prime is 13207721. The next prime is 13207729. The reversal of 13207723 is 32770231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13207723 - 2¹ = 13207721 is a prime.

Together with 13207721, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13207721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6603861 + 6603862.

It is an arithmetic number, because the mean of its divisors is an integer number (6603862).

Almost surely, 2^13207723 is an apocalyptic number.

13207723 is a deficient number, since it is larger than the sum of its proper divisors (1).

13207723 is an equidigital number, since it uses as much as digits as its factorization.

13207723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 13207723 is about 3634.2431123963. The cubic root of 13207723 is about 236.3792320398.

Adding to 13207723 its reverse (32770231), we get a palindrome (45977954).

The spelling of 13207723 in words is "thirteen million, two hundred seven thousand, seven hundred twenty-three".