13088209 has 2 divisors, whose sum is σ = 13088210. Its totient is φ = 13088208.

The previous prime is 13088203. The next prime is 13088213. The reversal of 13088209 is 90288031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9628609 + 3459600 = 3103^2 + 1860^2 .

It is a cyclic number.

It is not a de Polignac number, because 13088209 - 2¹³ = 13080017 is a prime.

It is not a weakly prime, because it can be changed into another prime (13088203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6544104 + 6544105.

It is an arithmetic number, because the mean of its divisors is an integer number (6544105).

Almost surely, 2^13088209 is an apocalyptic number.

It is an amenable number.

13088209 is a deficient number, since it is larger than the sum of its proper divisors (1).

13088209 is an equidigital number, since it uses as much as digits as its factorization.

13088209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 13088209 is about 3617.7629828390. The cubic root of 13088209 is about 235.6640880820.

The spelling of 13088209 in words is "thirteen million, eighty-eight thousand, two hundred nine".