13223201 has 2 divisors, whose sum is σ = 13223202. Its totient is φ = 13223200.

The previous prime is 13223191. The next prime is 13223213. The reversal of 13223201 is 10232231.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12952801 + 270400 = 3599^2 + 520^2 .

It is an emirp because it is prime and its reverse (10232231) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13223201 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13223281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611600 + 6611601.

It is an arithmetic number, because the mean of its divisors is an integer number (6611601).

Almost surely, 2^13223201 is an apocalyptic number.

It is an amenable number.

13223201 is a deficient number, since it is larger than the sum of its proper divisors (1).

13223201 is an equidigital number, since it uses as much as digits as its factorization.

13223201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 13223201 is about 3636.3719556723. The cubic root of 13223201 is about 236.4715328220.

Adding to 13223201 its reverse (10232231), we get a palindrome (23455432).

The spelling of 13223201 in words is "thirteen million, two hundred twenty-three thousand, two hundred one".