12388512 has 48 divisors (see below), whose sum is σ = 34437312. Its totient is φ = 3886080.

The previous prime is 12388511. The next prime is 12388547. The reversal of 12388512 is 21588321.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 12388512.

It is not an unprimeable number, because it can be changed into a prime (12388511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2164 + ... + 5427.

It is an arithmetic number, because the mean of its divisors is an integer number (717444).

Almost surely, 2^12388512 is an apocalyptic number.

12388512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12388512 is an abundant number, since it is smaller than the sum of its proper divisors (22048800).

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

12388512 is a wasteful number, since it uses less digits than its factorization.

12388512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7621 (or 7613 counting only the distinct ones).

The product of its digits is 3840, while the sum is 30.

The square root of 12388512 is about 3519.7318079649. The cubic root of 12388512 is about 231.3874048753.

The spelling of 12388512 in words is "twelve million, three hundred eighty-eight thousand, five hundred twelve".