13105250 has 64 divisors (see below), whose sum is σ = 26956800. Its totient is φ = 4752000.

The previous prime is 13105247. The next prime is 13105259. The reversal of 13105250 is 5250131.

It is not an unprimeable number, because it can be changed into a prime (13105259) 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 31 ways as a sum of consecutive naturals, for example, 147206 + ... + 147294.

It is an arithmetic number, because the mean of its divisors is an integer number (421200).

Almost surely, 2^13105250 is an apocalyptic number.

13105250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13105250 is an abundant number, since it is smaller than the sum of its proper divisors (13851550).

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

13105250 is a wasteful number, since it uses less digits than its factorization.

13105250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 13105250 is about 3620.1174014112. The cubic root of 13105250 is about 235.7663228503.

Adding to 13105250 its reverse (5250131), we get a palindrome (18355381).

The spelling of 13105250 in words is "thirteen million, one hundred five thousand, two hundred fifty".