13105100 has 36 divisors (see below), whose sum is σ = 29425200. Its totient is φ = 5060160.

The previous prime is 13105093. The next prime is 13105121. The reversal of 13105100 is 150131.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 641 + ... + 5159.

Almost surely, 2^13105100 is an apocalyptic number.

13105100 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 13105100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14712600).

13105100 is an abundant number, since it is smaller than the sum of its proper divisors (16320100).

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

13105100 is a wasteful number, since it uses less digits than its factorization.

13105100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4562 (or 4555 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 11.

The square root of 13105100 is about 3620.0966837917. The cubic root of 13105100 is about 235.7654233359.

Adding to 13105100 its reverse (150131), we get a palindrome (13255231).

The spelling of 13105100 in words is "thirteen million, one hundred five thousand, one hundred".