12388488 has 64 divisors (see below), whose sum is σ = 36370560. Its totient is φ = 3442176.

The previous prime is 12388487. The next prime is 12388507. The reversal of 12388488 is 88488321.

It is a super-2 number, since 2×12388488² = 306949269852288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 (12388487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5220 + ... + 7212.

It is an arithmetic number, because the mean of its divisors is an integer number (568290).

Almost surely, 2^12388488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12388488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18185280).

12388488 is an abundant number, since it is smaller than the sum of its proper divisors (23982072).

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

12388488 is a wasteful number, since it uses less digits than its factorization.

12388488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046 (or 2042 counting only the distinct ones).

The product of its digits is 98304, while the sum is 42.

The square root of 12388488 is about 3519.7283986126. The cubic root of 12388488 is about 231.3872554546.

The spelling of 12388488 in words is "twelve million, three hundred eighty-eight thousand, four hundred eighty-eight".