13209241 has 2 divisors, whose sum is σ = 13209242. Its totient is φ = 13209240.

The previous prime is 13209227. The next prime is 13209247. The reversal of 13209241 is 14290231.

13209241 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 can be written as a sum of positive squares in only one way, i.e., 12278016 + 931225 = 3504^2 + 965^2 .

It is a cyclic number.

It is not a de Polignac number, because 13209241 - 2¹⁵ = 13176473 is a prime.

It is not a weakly prime, because it can be changed into another prime (13209247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6604620 + 6604621.

It is an arithmetic number, because the mean of its divisors is an integer number (6604621).

Almost surely, 2^13209241 is an apocalyptic number.

It is an amenable number.

13209241 is a deficient number, since it is larger than the sum of its proper divisors (1).

13209241 is an equidigital number, since it uses as much as digits as its factorization.

13209241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 13209241 is about 3634.4519531836. The cubic root of 13209241 is about 236.3882875984.

Adding to 13209241 its reverse (14290231), we get a palindrome (27499472).

The spelling of 13209241 in words is "thirteen million, two hundred nine thousand, two hundred forty-one".