13889876 has 48 divisors (see below), whose sum is σ = 32645760. Its totient is φ = 4993920.

The previous prime is 13889873. The next prime is 13889881. The reversal of 13889876 is 67898831.

It is a happy number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13889873) 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 15 ways as a sum of consecutive naturals, for example, 2270 + ... + 5738.

It is an arithmetic number, because the mean of its divisors is an integer number (680120).

Almost surely, 2^13889876 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13889876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16322880).

13889876 is an abundant number, since it is smaller than the sum of its proper divisors (18755884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13889876 is a wasteful number, since it uses less digits than its factorization.

13889876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504 (or 3502 counting only the distinct ones).

The product of its digits is 580608, while the sum is 50.

The square root of 13889876 is about 3726.9123949994. The cubic root of 13889876 is about 240.3806228920.

The spelling of 13889876 in words is "thirteen million, eight hundred eighty-nine thousand, eight hundred seventy-six".