13989108 has 72 divisors (see below), whose sum is σ = 39057312. Its totient is φ = 3882816.

The previous prime is 13989067. The next prime is 13989119. The reversal of 13989108 is 80198931.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21435 + ... + 22077.

Almost surely, 2^13989108 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 13989108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19528656).

13989108 is an abundant number, since it is smaller than the sum of its proper divisors (25068204).

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

13989108 is a wasteful number, since it uses less digits than its factorization.

13989108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 692 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 13989108 is about 3740.2015988446. The cubic root of 13989108 is about 240.9517071787.

It can be divided in two parts, 13 and 989108, that added together give a triangular number (989121 = T₁₄₀₆).

The spelling of 13989108 in words is "thirteen million, nine hundred eighty-nine thousand, one hundred eight".