13320580 has 72 divisors (see below), whose sum is σ = 34679232. Its totient is φ = 4208256.

The previous prime is 13320557. The next prime is 13320589. The reversal of 13320580 is 8502331.

It is not an unprimeable number, because it can be changed into a prime (13320589) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23379 + ... + 23941.

It is an arithmetic number, because the mean of its divisors is an integer number (481656).

Almost surely, 2^13320580 is an apocalyptic number.

13320580 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 13320580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17339616).

13320580 is an abundant number, since it is smaller than the sum of its proper divisors (21358652).

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

13320580 is a wasteful number, since it uses less digits than its factorization.

13320580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605 (or 590 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 13320580 is about 3649.7369768245. The cubic root of 13320580 is about 237.0505924383.

The spelling of 13320580 in words is "thirteen million, three hundred twenty thousand, five hundred eighty".