13663339 has 4 divisors (see below), whose sum is σ = 13672080. Its totient is φ = 13654600.

The previous prime is 13663327. The next prime is 13663361. The reversal of 13663339 is 93336631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13663339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13663319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1312 + ... + 5389.

It is an arithmetic number, because the mean of its divisors is an integer number (3418020).

Almost surely, 2^13663339 is an apocalyptic number.

13663339 is a deficient number, since it is larger than the sum of its proper divisors (8741).

13663339 is an equidigital number, since it uses as much as digits as its factorization.

13663339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8740.

The product of its digits is 26244, while the sum is 34.

The square root of 13663339 is about 3696.3954063385. The cubic root of 13663339 is about 239.0666235836.

The spelling of 13663339 in words is "thirteen million, six hundred sixty-three thousand, three hundred thirty-nine".