13867841 has 4 divisors (see below), whose sum is σ = 14934612. Its totient is φ = 12801072.

The previous prime is 13867837. The next prime is 13867871. The reversal of 13867841 is 14876831.

13867841 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.

It can be written as a sum of positive squares in 2 ways, for example, as 3168400 + 10699441 = 1780^2 + 3271^2 .

It is a cyclic number.

It is not a de Polignac number, because 13867841 - 2² = 13867837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13867795 and 13867804.

It is not an unprimeable number, because it can be changed into a prime (13867871) 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, 533366 + ... + 533391.

It is an arithmetic number, because the mean of its divisors is an integer number (3733653).

Almost surely, 2^13867841 is an apocalyptic number.

It is an amenable number.

13867841 is a deficient number, since it is larger than the sum of its proper divisors (1066771).

13867841 is a wasteful number, since it uses less digits than its factorization.

13867841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066770.

The product of its digits is 32256, while the sum is 38.

The square root of 13867841 is about 3723.9550212106. The cubic root of 13867841 is about 240.2534417602.

The spelling of 13867841 in words is "thirteen million, eight hundred sixty-seven thousand, eight hundred forty-one".