13688892 has 96 divisors (see below), whose sum is σ = 42739200. Its totient is φ = 3701376.

The previous prime is 13688881. The next prime is 13688897. The reversal of 13688892 is 29888631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13688897) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13888 + ... + 14840.

It is an arithmetic number, because the mean of its divisors is an integer number (445200).

Almost surely, 2^13688892 is an apocalyptic number.

13688892 is a gapful number since it is divisible by the number (12) 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 13688892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21369600).

13688892 is an abundant number, since it is smaller than the sum of its proper divisors (29050308).

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

13688892 is a wasteful number, since it uses less digits than its factorization.

13688892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992 (or 984 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 13688892 is about 3699.8502672406. The cubic root of 13688892 is about 239.2155638766.

The spelling of 13688892 in words is "thirteen million, six hundred eighty-eight thousand, eight hundred ninety-two".