13688292 has 12 divisors (see below), whose sum is σ = 31939376. Its totient is φ = 4562760.

The previous prime is 13688273. The next prime is 13688293. The reversal of 13688292 is 29288631.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 13688292.

It is not an unprimeable number, because it can be changed into a prime (13688293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570334 + ... + 570357.

Almost surely, 2^13688292 is an apocalyptic number.

13688292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13688292 is an abundant number, since it is smaller than the sum of its proper divisors (18251084).

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

13688292 is a wasteful number, since it uses less digits than its factorization.

13688292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140698 (or 1140696 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 13688292 is about 3699.7691819896. The cubic root of 13688292 is about 239.2120687937.

The spelling of 13688292 in words is "thirteen million, six hundred eighty-eight thousand, two hundred ninety-two".