13813329 has 8 divisors (see below), whose sum is σ = 18540352. Its totient is φ = 9147600.

The previous prime is 13813313. The next prime is 13813357. The reversal of 13813329 is 92331831.

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

It is not a de Polignac number, because 13813329 - 2⁴ = 13813313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13813296 and 13813305.

It is not an unprimeable number, because it can be changed into a prime (13813369) 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 7 ways as a sum of consecutive naturals, for example, 14794 + ... + 15699.

It is an arithmetic number, because the mean of its divisors is an integer number (2317544).

Almost surely, 2^13813329 is an apocalyptic number.

It is an amenable number.

13813329 is a deficient number, since it is larger than the sum of its proper divisors (4727023).

13813329 is a wasteful number, since it uses less digits than its factorization.

13813329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30647.

The product of its digits is 3888, while the sum is 30.

The square root of 13813329 is about 3716.6287143055. The cubic root of 13813329 is about 239.9382306314.

The spelling of 13813329 in words is "thirteen million, eight hundred thirteen thousand, three hundred twenty-nine".