13842841 has 4 divisors (see below), whose sum is σ = 13851172. Its totient is φ = 13834512.

The previous prime is 13842827. The next prime is 13842853. The reversal of 13842841 is 14824831.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14824831 = 7 ⋅2117833.

It can be written as a sum of positive squares in 2 ways, for example, as 3345241 + 10497600 = 1829^2 + 3240^2 .

It is a cyclic number.

It is not a de Polignac number, because 13842841 - 2⁵ = 13842809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13846841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726 + ... + 5311.

It is an arithmetic number, because the mean of its divisors is an integer number (3462793).

Almost surely, 2^13842841 is an apocalyptic number.

It is an amenable number.

13842841 is a deficient number, since it is larger than the sum of its proper divisors (8331).

13842841 is an equidigital number, since it uses as much as digits as its factorization.

13842841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8330.

The product of its digits is 6144, while the sum is 31.

The square root of 13842841 is about 3720.5968607201. The cubic root of 13842841 is about 240.1089840676.

It can be divided in two parts, 1384 and 2841, that added together give a square (4225 = 65²).

The spelling of 13842841 in words is "thirteen million, eight hundred forty-two thousand, eight hundred forty-one".