13730038 has 8 divisors (see below), whose sum is σ = 23537232. Its totient is φ = 5884296.

The previous prime is 13730023. The next prime is 13730047. The reversal of 13730038 is 83003731.

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

It is a junction number, because it is equal to n+sod(n) for n = 13729994 and 13730021.

It is a congruent number.

It is an unprimeable number.

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, 490345 + ... + 490372.

It is an arithmetic number, because the mean of its divisors is an integer number (2942154).

Almost surely, 2^13730038 is an apocalyptic number.

13730038 is a deficient number, since it is larger than the sum of its proper divisors (9807194).

13730038 is an equidigital number, since it uses as much as digits as its factorization.

13730038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980726.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 13730038 is about 3705.4065903757. The cubic root of 13730038 is about 239.4550017666.

Adding to 13730038 its reverse (83003731), we get a palindrome (96733769).

The spelling of 13730038 in words is "thirteen million, seven hundred thirty thousand, thirty-eight".