13090225 has 12 divisors (see below), whose sum is σ = 16321996. Its totient is φ = 10414080.

The previous prime is 13090219. The next prime is 13090261. The reversal of 13090225 is 52209031.

13090225 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 43681 + 13046544 = 209^2 + 3612^2 .

It is not a de Polignac number, because 13090225 - 2¹⁷ = 12959153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13090196 and 13090205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3469 + ... + 6181.

Almost surely, 2^13090225 is an apocalyptic number.

It is an amenable number.

13090225 is a deficient number, since it is larger than the sum of its proper divisors (3231771).

13090225 is a wasteful number, since it uses less digits than its factorization.

13090225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2916 (or 2911 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 13090225 is about 3618.0415973286. The cubic root of 13090225 is about 235.6761873796.

Adding to 13090225 its reverse (52209031), we get a palindrome (65299256).

The spelling of 13090225 in words is "thirteen million, ninety thousand, two hundred twenty-five".