13255660 has 48 divisors (see below), whose sum is σ = 30754080. Its totient is φ = 4759040.

The previous prime is 13255651. The next prime is 13255661. The reversal of 13255660 is 6655231.

13255660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13255661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19242 + ... + 19918.

It is an arithmetic number, because the mean of its divisors is an integer number (640710).

Almost surely, 2^13255660 is an apocalyptic number.

13255660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13255660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15377040).

13255660 is an abundant number, since it is smaller than the sum of its proper divisors (17498420).

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

13255660 is a wasteful number, since it uses less digits than its factorization.

13255660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786 (or 784 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 13255660 is about 3640.8323224230. The cubic root of 13255660 is about 236.6648636597.

The spelling of 13255660 in words is "thirteen million, two hundred fifty-five thousand, six hundred sixty".