13298209 has 4 divisors (see below), whose sum is σ = 13876416. Its totient is φ = 12720004.

The previous prime is 13298189. The next prime is 13298221. The reversal of 13298209 is 90289231.

13298209 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90289231 = 2003 ⋅45077.

It is a cyclic number.

It is not a de Polignac number, because 13298209 - 2¹¹ = 13296161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13298239) 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 in 3 ways as a sum of consecutive naturals, for example, 289069 + ... + 289114.

It is an arithmetic number, because the mean of its divisors is an integer number (3469104).

Almost surely, 2^13298209 is an apocalyptic number.

It is an amenable number.

13298209 is a deficient number, since it is larger than the sum of its proper divisors (578207).

13298209 is an equidigital number, since it uses as much as digits as its factorization.

13298209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578206.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 13298209 is about 3646.6709475904. The cubic root of 13298209 is about 236.9178146793.

The spelling of 13298209 in words is "thirteen million, two hundred ninety-eight thousand, two hundred nine".