13338663 has 12 divisors (see below), whose sum is σ = 19258920. Its totient is φ = 8208096.

The previous prime is 13338641. The next prime is 13338667. The reversal of 13338663 is 36683331.

It is not a de Polignac number, because 13338663 - 2⁵ = 13338631 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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12648 + ... + 13661.

It is an arithmetic number, because the mean of its divisors is an integer number (1604910).

Almost surely, 2^13338663 is an apocalyptic number.

13338663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13338663 is a deficient number, since it is larger than the sum of its proper divisors (5920257).

13338663 is a wasteful number, since it uses less digits than its factorization.

13338663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26338 (or 26325 counting only the distinct ones).

The product of its digits is 23328, while the sum is 33.

The square root of 13338663 is about 3652.2134384507. The cubic root of 13338663 is about 237.1578111833.

The spelling of 13338663 in words is "thirteen million, three hundred thirty-eight thousand, six hundred sixty-three".