13105756 has 12 divisors (see below), whose sum is σ = 22967280. Its totient is φ = 6543680.

The previous prime is 13105753. The next prime is 13105811. The reversal of 13105756 is 65750131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13105753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1665 + ... + 5383.

It is an arithmetic number, because the mean of its divisors is an integer number (1913940).

Almost surely, 2^13105756 is an apocalyptic number.

It is an amenable number.

13105756 is a deficient number, since it is larger than the sum of its proper divisors (9861524).

13105756 is a wasteful number, since it uses less digits than its factorization.

13105756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4604 (or 4602 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 13105756 is about 3620.1872879728. The cubic root of 13105756 is about 235.7693571616.

Adding to 13105756 its reverse (65750131), we get a palindrome (78855887).

It can be divided in two parts, 13105 and 756, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 13105756 in words is "thirteen million, one hundred five thousand, seven hundred fifty-six".