12327988 has 12 divisors (see below), whose sum is σ = 21599200. Its totient is φ = 6156792.

The previous prime is 12327949. The next prime is 12328007. The reversal of 12327988 is 88972321.

It is a self number, because there is not a number n which added to its sum of digits gives 12327988.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4495 + ... + 6697.

Almost surely, 2^12327988 is an apocalyptic number.

It is an amenable number.

12327988 is a deficient number, since it is larger than the sum of its proper divisors (9271212).

12327988 is a wasteful number, since it uses less digits than its factorization.

12327988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3606 (or 3604 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 12327988 is about 3511.1234669262. The cubic root of 12327988 is about 231.0099756441.

The spelling of 12327988 in words is "twelve million, three hundred twenty-seven thousand, nine hundred eighty-eight".