13211207 has 2 divisors, whose sum is σ = 13211208. Its totient is φ = 13211206.

The previous prime is 13211201. The next prime is 13211243. The reversal of 13211207 is 70211231.

13211207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (70211231) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13211207 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13211201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6605603 + 6605604.

It is an arithmetic number, because the mean of its divisors is an integer number (6605604).

Almost surely, 2^13211207 is an apocalyptic number.

13211207 is a deficient number, since it is larger than the sum of its proper divisors (1).

13211207 is an equidigital number, since it uses as much as digits as its factorization.

13211207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 13211207 is about 3634.7224103087. The cubic root of 13211207 is about 236.4000146491.

Adding to 13211207 its reverse (70211231), we get a palindrome (83422438).

The spelling of 13211207 in words is "thirteen million, two hundred eleven thousand, two hundred seven".