13260140 has 12 divisors (see below), whose sum is σ = 27846336. Its totient is φ = 5304048.

The previous prime is 13260139. The next prime is 13260151. The reversal of 13260140 is 4106231.

13260140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331484 + ... + 331523.

It is an arithmetic number, because the mean of its divisors is an integer number (2320528).

Almost surely, 2^13260140 is an apocalyptic number.

13260140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13260140 is an abundant number, since it is smaller than the sum of its proper divisors (14586196).

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

13260140 is a wasteful number, since it uses less digits than its factorization.

13260140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663016 (or 663014 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 13260140 is about 3641.4475143822. The cubic root of 13260140 is about 236.6915224396.

Adding to 13260140 its reverse (4106231), we get a palindrome (17366371).

The spelling of 13260140 in words is "thirteen million, two hundred sixty thousand, one hundred forty".