12388 has 12 divisors (see below), whose sum is σ = 22960. Its totient is φ = 5832.

The previous prime is 12379. The next prime is 12391. The reversal of 12388 is 88321.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6 + ... + 157.

2¹²³⁸⁸ is an apocalyptic number.

It is an amenable number.

12388 is a deficient number, since it is larger than the sum of its proper divisors (10572).

12388 is a wasteful number, since it uses less digits than its factorization.

12388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 184 counting only the distinct ones).

The product of its digits is 384, while the sum is 22.

The square root of 12388 is about 111.3013926238. The cubic root of 12388 is about 23.1384217191.

It can be divided in two parts, 12 and 388, that multiplied together give a triangular number (4656 = T₉₆).

The spelling of 12388 in words is "twelve thousand, three hundred eighty-eight".