13333641 has 8 divisors (see below), whose sum is σ = 17795520. Its totient is φ = 8880432.

The previous prime is 13333633. The next prime is 13333657. The reversal of 13333641 is 14633331.

13333641 is digitally balanced in base 2 and base 4, because in such bases 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 not a de Polignac number, because 13333641 - 2³ = 13333633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13333601) 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, 3676 + ... + 6338.

It is an arithmetic number, because the mean of its divisors is an integer number (2224440).

Almost surely, 2^13333641 is an apocalyptic number.

It is an amenable number.

13333641 is a deficient number, since it is larger than the sum of its proper divisors (4461879).

13333641 is a wasteful number, since it uses less digits than its factorization.

13333641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4335.

The product of its digits is 1944, while the sum is 24.

The square root of 13333641 is about 3651.5258454515. The cubic root of 13333641 is about 237.1280441812.

Adding to 13333641 its reverse (14633331), we get a palindrome (27966972).

The spelling of 13333641 in words is "thirteen million, three hundred thirty-three thousand, six hundred forty-one".