13868105 has 4 divisors (see below), whose sum is σ = 16641732. Its totient is φ = 11094480.

The previous prime is 13868089. The next prime is 13868117. The reversal of 13868105 is 50186831.

13868105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50186831 = 829 ⋅60539.

It can be written as a sum of positive squares in 2 ways, for example, as 9759376 + 4108729 = 3124^2 + 2027^2 .

It is not a de Polignac number, because 13868105 - 2⁴ = 13868089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1386806 + ... + 1386815.

It is an arithmetic number, because the mean of its divisors is an integer number (4160433).

Almost surely, 2^13868105 is an apocalyptic number.

It is an amenable number.

13868105 is a deficient number, since it is larger than the sum of its proper divisors (2773627).

13868105 is an equidigital number, since it uses as much as digits as its factorization.

13868105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773626.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 13868105 is about 3723.9904672273. The cubic root of 13868105 is about 240.2549663067.

The spelling of 13868105 in words is "thirteen million, eight hundred sixty-eight thousand, one hundred five".