13250225 has 12 divisors (see below), whose sum is σ = 17397324. Its totient is φ = 9976320.

The previous prime is 13250213. The next prime is 13250227. The reversal of 13250225 is 52205231.

13250225 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 6 ways, for example, as 283024 + 12967201 = 532^2 + 3601^2 .

It is not a de Polignac number, because 13250225 - 2¹⁴ = 13233841 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13250197 and 13250206.

It is not an unprimeable number, because it can be changed into a prime (13250227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15164 + ... + 16013.

It is an arithmetic number, because the mean of its divisors is an integer number (1449777).

Almost surely, 2^13250225 is an apocalyptic number.

It is an amenable number.

13250225 is a deficient number, since it is larger than the sum of its proper divisors (4147099).

13250225 is a wasteful number, since it uses less digits than its factorization.

13250225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31204 (or 31199 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 13250225 is about 3640.0858506359. The cubic root of 13250225 is about 236.6325139723.

Adding to 13250225 its reverse (52205231), we get a palindrome (65455456).

The spelling of 13250225 in words is "thirteen million, two hundred fifty thousand, two hundred twenty-five".