13105860 has 48 divisors (see below), whose sum is σ = 38295936. Its totient is φ = 3342592.

The previous prime is 13105817. The next prime is 13105867. The reversal of 13105860 is 6850131.

It is a self number, because there is not a number n which added to its sum of digits gives 13105860.

It is not an unprimeable number, because it can be changed into a prime (13105867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3369 + ... + 6128.

It is an arithmetic number, because the mean of its divisors is an integer number (797832).

Almost surely, 2^13105860 is an apocalyptic number.

13105860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13105860 is an abundant number, since it is smaller than the sum of its proper divisors (25190076).

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

13105860 is a wasteful number, since it uses less digits than its factorization.

13105860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9532 (or 9530 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 13105860 is about 3620.2016518421. The cubic root of 13105860 is about 235.7699808048.

Adding to 13105860 its reverse (6850131), we get a palindrome (19955991).

The spelling of 13105860 in words is "thirteen million, one hundred five thousand, eight hundred sixty".