13205260 has 24 divisors (see below), whose sum is σ = 29363040. Its totient is φ = 4971264.

The previous prime is 13205251. The next prime is 13205267. The reversal of 13205260 is 6250231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13205267) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19080 + ... + 19759.

It is an arithmetic number, because the mean of its divisors is an integer number (1223460).

Almost surely, 2^13205260 is an apocalyptic number.

13205260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13205260 is an abundant number, since it is smaller than the sum of its proper divisors (16157780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13205260 is a wasteful number, since it uses less digits than its factorization.

13205260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38865 (or 38863 counting only the distinct ones).

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

The square root of 13205260 is about 3633.9042364928. The cubic root of 13205260 is about 236.3645376512.

Adding to 13205260 its reverse (6250231), we get a palindrome (19455491).

The spelling of 13205260 in words is "thirteen million, two hundred five thousand, two hundred sixty".