13005860 has 24 divisors (see below), whose sum is σ = 31214400. Its totient is φ = 4459104.

The previous prime is 13005859. The next prime is 13005893. The reversal of 13005860 is 6850031.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46310 + ... + 46589.

It is an arithmetic number, because the mean of its divisors is an integer number (1300600).

Almost surely, 2^13005860 is an apocalyptic number.

13005860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13005860 is an abundant number, since it is smaller than the sum of its proper divisors (18208540).

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

13005860 is a wasteful number, since it uses less digits than its factorization.

13005860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92915 (or 92913 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 13005860 is about 3606.3638196943. The cubic root of 13005860 is about 235.1687937757.

Adding to 13005860 its reverse (6850031), we get a palindrome (19855891).

The spelling of 13005860 in words is "thirteen million, five thousand, eight hundred sixty".