13644841 has 8 divisors (see below), whose sum is σ = 15974784. Its totient is φ = 11410080.

The previous prime is 13644821. The next prime is 13644847. The reversal of 13644841 is 14844631.

13644841 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13644841 - 2⁵ = 13644809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13644847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23485 + ... + 24058.

It is an arithmetic number, because the mean of its divisors is an integer number (1996848).

Almost surely, 2^13644841 is an apocalyptic number.

It is an amenable number.

13644841 is a deficient number, since it is larger than the sum of its proper divisors (2329943).

13644841 is an equidigital number, since it uses as much as digits as its factorization.

13644841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47591.

The product of its digits is 9216, while the sum is 31.

The square root of 13644841 is about 3693.8923915025. The cubic root of 13644841 is about 238.9586887276.

The spelling of 13644841 in words is "thirteen million, six hundred forty-four thousand, eight hundred forty-one".