13260225 has 24 divisors (see below), whose sum is σ = 23918112. Its totient is φ = 6428800.

The previous prime is 13260217. The next prime is 13260227. The reversal of 13260225 is 52206231.

It is not a de Polignac number, because 13260225 - 2³ = 13260217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13260227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7212 + ... + 8861.

It is an arithmetic number, because the mean of its divisors is an integer number (996588).

Almost surely, 2^13260225 is an apocalyptic number.

13260225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13260225 is a deficient number, since it is larger than the sum of its proper divisors (10657887).

13260225 is a wasteful number, since it uses less digits than its factorization.

13260225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16097 (or 16092 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 13260225 is about 3641.4591855464. The cubic root of 13260225 is about 236.6920281843.

Adding to 13260225 its reverse (52206231), we get a palindrome (65466456).

The spelling of 13260225 in words is "thirteen million, two hundred sixty thousand, two hundred twenty-five".