13260025 has 6 divisors (see below), whose sum is σ = 16442462. Its totient is φ = 10608000.

The previous prime is 13260019. The next prime is 13260053. The reversal of 13260025 is 52006231.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1679616 + 11580409 = 1296^2 + 3403^2 .

It is not a de Polignac number, because 13260025 - 2⁵ = 13259993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13259984 and 13260011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 265176 + ... + 265225.

Almost surely, 2^13260025 is an apocalyptic number.

It is an amenable number.

13260025 is a deficient number, since it is larger than the sum of its proper divisors (3182437).

13260025 is an equidigital number, since it uses as much as digits as its factorization.

13260025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530411 (or 530406 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 13260025 is about 3641.4317239240. The cubic root of 13260025 is about 236.6908381933.

Adding to 13260025 its reverse (52006231), we get a palindrome (65266256).

The spelling of 13260025 in words is "thirteen million, two hundred sixty thousand, twenty-five".