13855105 has 12 divisors (see below), whose sum is σ = 18275796. Its totient is φ = 10076000.

The previous prime is 13855097. The next prime is 13855111. The reversal of 13855105 is 50155831.

It can be written as a sum of positive squares in 2 ways, for example, as 10316944 + 3538161 = 3212^2 + 1881^2 .

It is not a de Polignac number, because 13855105 - 2³ = 13855097 is a prime.

It is a super-2 number, since 2×13855105² = 383927869122050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10846 + ... + 12055.

It is an arithmetic number, because the mean of its divisors is an integer number (1522983).

Almost surely, 2^13855105 is an apocalyptic number.

It is an amenable number.

13855105 is a deficient number, since it is larger than the sum of its proper divisors (4420691).

13855105 is a wasteful number, since it uses less digits than its factorization.

13855105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22928 (or 22917 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 13855105 is about 3722.2446185064. The cubic root of 13855105 is about 240.1798709469.

The spelling of 13855105 in words is "thirteen million, eight hundred fifty-five thousand, one hundred five".