13839245 has 8 divisors (see below), whose sum is σ = 18979584. Its totient is φ = 9489744.

The previous prime is 13839229. The next prime is 13839247. The reversal of 13839245 is 54293831.

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 13839245 - 2⁴ = 13839229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 395407 = 13839245 / (1 + 3 + 8 + 3 + 9 + 2 + 4 + 5).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13839247) 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 7 ways as a sum of consecutive naturals, for example, 197669 + ... + 197738.

It is an arithmetic number, because the mean of its divisors is an integer number (2372448).

Almost surely, 2^13839245 is an apocalyptic number.

It is an amenable number.

13839245 is a deficient number, since it is larger than the sum of its proper divisors (5140339).

13839245 is an equidigital number, since it uses as much as digits as its factorization.

13839245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395419.

The product of its digits is 25920, while the sum is 35.

The square root of 13839245 is about 3720.1135735351. The cubic root of 13839245 is about 240.0881909688.

The spelling of 13839245 in words is "thirteen million, eight hundred thirty-nine thousand, two hundred forty-five".