12683688 has 16 divisors (see below), whose sum is σ = 31709280. Its totient is φ = 4227888.

The previous prime is 12683651. The next prime is 12683689. The reversal of 12683688 is 88638621.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (12683689) 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, 264220 + ... + 264267.

It is an arithmetic number, because the mean of its divisors is an integer number (1981830).

Almost surely, 2^12683688 is an apocalyptic number.

It is an amenable number.

12683688 is an abundant number, since it is smaller than the sum of its proper divisors (19025592).

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

12683688 is a wasteful number, since it uses less digits than its factorization.

12683688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528496 (or 528492 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 12683688 is about 3561.4165720960. The cubic root of 12683688 is about 233.2107237923.

The spelling of 12683688 in words is "twelve million, six hundred eighty-three thousand, six hundred eighty-eight".