13731841 has 4 divisors (see below), whose sum is σ = 13782784. Its totient is φ = 13680900.

The previous prime is 13731829. The next prime is 13731863. The reversal of 13731841 is 14813731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13731841 - 2¹⁵ = 13699073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13731821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25065 + ... + 25606.

It is an arithmetic number, because the mean of its divisors is an integer number (3445696).

Almost surely, 2^13731841 is an apocalyptic number.

It is an amenable number.

13731841 is a deficient number, since it is larger than the sum of its proper divisors (50943).

13731841 is an equidigital number, since it uses as much as digits as its factorization.

13731841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50942.

The product of its digits is 2016, while the sum is 28.

The square root of 13731841 is about 3705.6498755279. The cubic root of 13731841 is about 239.4654828852.

The spelling of 13731841 in words is "thirteen million, seven hundred thirty-one thousand, eight hundred forty-one".