13505201 has 2 divisors, whose sum is σ = 13505202. Its totient is φ = 13505200.

The previous prime is 13505197. The next prime is 13505207. The reversal of 13505201 is 10250531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7507600 + 5997601 = 2740^2 + 2449^2 .

It is a cyclic number.

It is not a de Polignac number, because 13505201 - 2² = 13505197 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13505201.

It is not a weakly prime, because it can be changed into another prime (13505207) 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, 6752600 + 6752601.

It is an arithmetic number, because the mean of its divisors is an integer number (6752601).

Almost surely, 2^13505201 is an apocalyptic number.

It is an amenable number.

13505201 is a deficient number, since it is larger than the sum of its proper divisors (1).

13505201 is an equidigital number, since it uses as much as digits as its factorization.

13505201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 13505201 is about 3674.9423124724. The cubic root of 13505201 is about 238.1407319169.

Adding to 13505201 its reverse (10250531), we get a palindrome (23755732).

The spelling of 13505201 in words is "thirteen million, five hundred five thousand, two hundred one".