13828841 has 4 divisors (see below), whose sum is σ = 14892612. Its totient is φ = 12765072.

The previous prime is 13828831. The next prime is 13828847. The reversal of 13828841 is 14882831.

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 7678441 + 6150400 = 2771^2 + 2480^2 .

It is a cyclic number.

It is not a de Polignac number, because 13828841 - 2⁶ = 13828777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13828847) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 531866 + ... + 531891.

It is an arithmetic number, because the mean of its divisors is an integer number (3723153).

Almost surely, 2^13828841 is an apocalyptic number.

It is an amenable number.

13828841 is a deficient number, since it is larger than the sum of its proper divisors (1063771).

13828841 is a wasteful number, since it uses less digits than its factorization.

13828841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063770.

The product of its digits is 12288, while the sum is 35.

The square root of 13828841 is about 3718.7149662215. The cubic root of 13828841 is about 240.0280117768.

The spelling of 13828841 in words is "thirteen million, eight hundred twenty-eight thousand, eight hundred forty-one".