13207225 has 6 divisors (see below), whose sum is σ = 16376990. Its totient is φ = 10565760.

The previous prime is 13207217. The next prime is 13207247. The reversal of 13207225 is 52270231.

13207225 is digitally balanced in base 2, 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 3 ways, for example, as 131769 + 13075456 = 363^2 + 3616^2 .

It is not a de Polignac number, because 13207225 - 2³ = 13207217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13207196 and 13207205.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 264120 + ... + 264169.

Almost surely, 2^13207225 is an apocalyptic number.

It is an amenable number.

13207225 is a deficient number, since it is larger than the sum of its proper divisors (3169765).

13207225 is an equidigital number, since it uses as much as digits as its factorization.

13207225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528299 (or 528294 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 13207225 is about 3634.1745967964. The cubic root of 13207225 is about 236.3762610928.

Adding to 13207225 its reverse (52270231), we get a palindrome (65477456).

The spelling of 13207225 in words is "thirteen million, two hundred seven thousand, two hundred twenty-five".