12386688 has 32 divisors (see below), whose sum is σ = 32903160. Its totient is φ = 4128768.

The previous prime is 12386687. The next prime is 12386711. The reversal of 12386688 is 88668321.

It is a tau number, because it is divible by the number of its divisors (32).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12386687) 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, 15745 + ... + 16512.

Almost surely, 2^12386688 is an apocalyptic number.

It is an amenable number.

12386688 is an abundant number, since it is smaller than the sum of its proper divisors (20516472).

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

12386688 is an equidigital number, since it uses as much as digits as its factorization.

12386688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32274 (or 32262 counting only the distinct ones).

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

The square root of 12386688 is about 3519.4726877758. The cubic root of 12386688 is about 231.3760483503.

Multiplying 12386688 by its sum of digits (42), we get a triangular number (520240896 = T₃₂₂₅₆).

The spelling of 12386688 in words is "twelve million, three hundred eighty-six thousand, six hundred eighty-eight".