13888908 has 84 divisors (see below), whose sum is σ = 39846408. Its totient is φ = 4199040.

The previous prime is 13888879. The next prime is 13888933. The reversal of 13888908 is 80988831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 31860 + ... + 32292.

It is an arithmetic number, because the mean of its divisors is an integer number (474362).

Almost surely, 2^13888908 is an apocalyptic number.

13888908 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13888908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19923204).

13888908 is an abundant number, since it is smaller than the sum of its proper divisors (25957500).

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

13888908 is a wasteful number, since it uses less digits than its factorization.

13888908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The square root of 13888908 is about 3726.7825265234. The cubic root of 13888908 is about 240.3750386365.

It can be divided in two parts, 1388 and 8908, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 13888908 in words is "thirteen million, eight hundred eighty-eight thousand, nine hundred eight".