13860789 has 8 divisors (see below), whose sum is σ = 19284672. Its totient is φ = 8838720.

The previous prime is 13860779. The next prime is 13860793. The reversal of 13860789 is 98706831.

13860789 = 1237² + 1238² + ... + 1245².

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

It is not a de Polignac number, because 13860789 - 2⁵ = 13860757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13860789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13860739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100372 + ... + 100509.

It is an arithmetic number, because the mean of its divisors is an integer number (2410584).

Almost surely, 2^13860789 is an apocalyptic number.

It is an amenable number.

13860789 is a deficient number, since it is larger than the sum of its proper divisors (5423883).

13860789 is a wasteful number, since it uses less digits than its factorization.

13860789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200907.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 13860789 is about 3723.0080580090. The cubic root of 13860789 is about 240.2127107255.

The spelling of 13860789 in words is "thirteen million, eight hundred sixty thousand, seven hundred eighty-nine".