13605441 has 4 divisors (see below), whose sum is σ = 18140592. Its totient is φ = 9070292.

The previous prime is 13605433. The next prime is 13605451. The reversal of 13605441 is 14450631.

13605441 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 13605441 - 2³ = 13605433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13605401) 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, 2267571 + ... + 2267576.

It is an arithmetic number, because the mean of its divisors is an integer number (4535148).

Almost surely, 2^13605441 is an apocalyptic number.

It is an amenable number.

13605441 is a deficient number, since it is larger than the sum of its proper divisors (4535151).

13605441 is an equidigital number, since it uses as much as digits as its factorization.

13605441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4535150.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 13605441 is about 3688.5554082866. Note that the first 3 decimals coincide. The cubic root of 13605441 is about 238.7284662102.

The spelling of 13605441 in words is "thirteen million, six hundred five thousand, four hundred forty-one".