13315560 has 64 divisors (see below), whose sum is σ = 41040000. Its totient is φ = 3453696.

The previous prime is 13315559. The next prime is 13315567. The reversal of 13315560 is 6551331.

It is a super-2 number, since 2×13315560² = 354608276227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 13315560.

It is not an unprimeable number, because it can be changed into a prime (13315567) 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 15 ways as a sum of consecutive naturals, for example, 2941 + ... + 5939.

It is an arithmetic number, because the mean of its divisors is an integer number (641250).

Almost surely, 2^13315560 is an apocalyptic number.

13315560 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 13315560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20520000).

13315560 is an abundant number, since it is smaller than the sum of its proper divisors (27724440).

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

13315560 is a wasteful number, since it uses less digits than its factorization.

13315560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050 (or 3046 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 13315560 is about 3649.0491912278. The cubic root of 13315560 is about 237.0208103644.

Adding to 13315560 its reverse (6551331), we get a palindrome (19866891).

The spelling of 13315560 in words is "thirteen million, three hundred fifteen thousand, five hundred sixty".