13994338 has 8 divisors (see below), whose sum is σ = 21008988. Its totient is φ = 6991344.

The previous prime is 13994329. The next prime is 13994339. The reversal of 13994338 is 83349931.

It can be written as a sum of positive squares in 2 ways, for example, as 13935289 + 59049 = 3733^2 + 243^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13994338.

It is not an unprimeable number, because it can be changed into a prime (13994339) 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 3 ways as a sum of consecutive naturals, for example, 1320 + ... + 5452.

Almost surely, 2^13994338 is an apocalyptic number.

13994338 is a deficient number, since it is larger than the sum of its proper divisors (7014650).

13994338 is a wasteful number, since it uses less digits than its factorization.

13994338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5828.

The product of its digits is 69984, while the sum is 40.

The square root of 13994338 is about 3740.9006936833. The cubic root of 13994338 is about 240.9817310233.

The spelling of 13994338 in words is "thirteen million, nine hundred ninety-four thousand, three hundred thirty-eight".