13639108 has 12 divisors (see below), whose sum is σ = 27278272. Its totient is φ = 5845320.

The previous prime is 13639103. The next prime is 13639111. The reversal of 13639108 is 80193631.

13639108 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 13639108.

It is not an unprimeable number, because it can be changed into a prime (13639103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243528 + ... + 243583.

Almost surely, 2^13639108 is an apocalyptic number.

It is an amenable number.

13639108 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13639108 is a wasteful number, since it uses less digits than its factorization.

13639108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487122 (or 487120 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 13639108 is about 3693.1162992790. The cubic root of 13639108 is about 238.9252171742.

The spelling of 13639108 in words is "thirteen million, six hundred thirty-nine thousand, one hundred eight".