13055660 has 96 divisors (see below), whose sum is σ = 31933440. Its totient is φ = 4451328.

The previous prime is 13055659. The next prime is 13055663. The reversal of 13055660 is 6655031.

It is not an unprimeable number, because it can be changed into a prime (13055663) 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 31 ways as a sum of consecutive naturals, for example, 277757 + ... + 277803.

It is an arithmetic number, because the mean of its divisors is an integer number (332640).

Almost surely, 2^13055660 is an apocalyptic number.

13055660 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 13055660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15966720).

13055660 is an abundant number, since it is smaller than the sum of its proper divisors (18877780).

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

13055660 is a wasteful number, since it uses less digits than its factorization.

13055660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 13055660 is about 3613.2616844065. The cubic root of 13055660 is about 235.4685686419.

The spelling of 13055660 in words is "thirteen million, fifty-five thousand, six hundred sixty".