13317025 has 12 divisors (see below), whose sum is σ = 16741612. Its totient is φ = 10506240.

The previous prime is 13317019. The next prime is 13317041. The reversal of 13317025 is 52071331.

13317025 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 471969 + 12845056 = 687^2 + 3584^2 .

It is not a de Polignac number, because 13317025 - 2⁵ = 13316993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13316987 and 13317005.

It is a congruent number.

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, 1824 + ... + 5473.

Almost surely, 2^13317025 is an apocalyptic number.

13317025 is the 1825-th decagonal number.

It is an amenable number.

13317025 is a deficient number, since it is larger than the sum of its proper divisors (3424587).

13317025 is an equidigital number, since it uses as much as digits as its factorization.

13317025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7380 (or 7375 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 13317025 is about 3649.2499229294. The cubic root of 13317025 is about 237.0295025199.

Adding to 13317025 its reverse (52071331), we get a palindrome (65388356).

The spelling of 13317025 in words is "thirteen million, three hundred seventeen thousand, twenty-five".