13678688 has 24 divisors (see below), whose sum is σ = 27800640. Its totient is φ = 6618240.

The previous prime is 13678673. The next prime is 13678699. The reversal of 13678688 is 88687631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5903 + ... + 7886.

It is an arithmetic number, because the mean of its divisors is an integer number (1158360).

Almost surely, 2^13678688 is an apocalyptic number.

It is an amenable number.

13678688 is an abundant number, since it is smaller than the sum of its proper divisors (14121952).

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

13678688 is a wasteful number, since it uses less digits than its factorization.

13678688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13830 (or 13822 counting only the distinct ones).

The product of its digits is 387072, while the sum is 47.

The square root of 13678688 is about 3698.4710354415. The cubic root of 13678688 is about 239.1561102607.

The spelling of 13678688 in words is "thirteen million, six hundred seventy-eight thousand, six hundred eighty-eight".