13729339 has 8 divisors (see below), whose sum is σ = 14823872. Its totient is φ = 12640320.

The previous prime is 13729337. The next prime is 13729349. The reversal of 13729339 is 93392731.

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

It is a cyclic number.

It is not a de Polignac number, because 13729339 - 2¹ = 13729337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13729298 and 13729307.

It is not an unprimeable number, because it can be changed into a prime (13729337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4879 + ... + 7159.

It is an arithmetic number, because the mean of its divisors is an integer number (1852984).

Almost surely, 2^13729339 is an apocalyptic number.

13729339 is a deficient number, since it is larger than the sum of its proper divisors (1094533).

13729339 is a wasteful number, since it uses less digits than its factorization.

13729339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757.

The product of its digits is 30618, while the sum is 37.

The square root of 13729339 is about 3705.3122675424. The cubic root of 13729339 is about 239.4509381243.

The spelling of 13729339 in words is "thirteen million, seven hundred twenty-nine thousand, three hundred thirty-nine".