13055560 has 48 divisors (see below), whose sum is σ = 34176060. Its totient is φ = 4475520.

The previous prime is 13055533. The next prime is 13055569. The reversal of 13055560 is 6555031.

It can be written as a sum of positive squares in 2 ways, for example, as 12545764 + 509796 = 3542^2 + 714^2 .

It is not an unprimeable number, because it can be changed into a prime (13055569) 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 11 ways as a sum of consecutive naturals, for example, 1371 + ... + 5290.

Almost surely, 2^13055560 is an apocalyptic number.

13055560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13055560 is an abundant number, since it is smaller than the sum of its proper divisors (21120500).

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

13055560 is a wasteful number, since it uses less digits than its factorization.

13055560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6686 (or 6675 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 13055560 is about 3613.2478464672. The cubic root of 13055560 is about 235.4679674488.

The spelling of 13055560 in words is "thirteen million, fifty-five thousand, five hundred sixty".