13338661 has 8 divisors (see below), whose sum is σ = 15503040. Its totient is φ = 11239008.

The previous prime is 13338641. The next prime is 13338667. The reversal of 13338661 is 16683331.

13338661 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 13338661 - 2¹⁵ = 13305893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13338667) 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, 15736 + ... + 16561.

It is an arithmetic number, because the mean of its divisors is an integer number (1937880).

Almost surely, 2^13338661 is an apocalyptic number.

It is an amenable number.

13338661 is a deficient number, since it is larger than the sum of its proper divisors (2164379).

13338661 is an equidigital number, since it uses as much as digits as its factorization.

13338661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32363.

The product of its digits is 7776, while the sum is 31.

The square root of 13338661 is about 3652.2131646441. The cubic root of 13338661 is about 237.1577993301.

The spelling of 13338661 in words is "thirteen million, three hundred thirty-eight thousand, six hundred sixty-one".