13105853 has 4 divisors (see below), whose sum is σ = 13221948. Its totient is φ = 12989760.

The previous prime is 13105817. The next prime is 13105867. The reversal of 13105853 is 35850131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35850131 = 19 ⋅1886849.

It can be written as a sum of positive squares in 2 ways, for example, as 2229049 + 10876804 = 1493^2 + 3298^2 .

It is a cyclic number.

It is not a de Polignac number, because 13105853 - 2¹⁰ = 13104829 is a prime.

It is a Duffinian number.

It is a Curzon number.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57878 + ... + 58103.

It is an arithmetic number, because the mean of its divisors is an integer number (3305487).

Almost surely, 2^13105853 is an apocalyptic number.

It is an amenable number.

13105853 is a deficient number, since it is larger than the sum of its proper divisors (116095).

13105853 is a wasteful number, since it uses less digits than its factorization.

13105853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116094.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 13105853 is about 3620.2006850450. The cubic root of 13105853 is about 235.7699388290.

Adding to 13105853 its reverse (35850131), we get a palindrome (48955984).

The spelling of 13105853 in words is "thirteen million, one hundred five thousand, eight hundred fifty-three".