12987384 has 16 divisors (see below), whose sum is σ = 32468520. Its totient is φ = 4329120.

The previous prime is 12987379. The next prime is 12987397. The reversal of 12987384 is 48378921.

It is a super-3 number, since 3×12987384³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270547 + ... + 270594.

Almost surely, 2^12987384 is an apocalyptic number.

It is an amenable number.

12987384 is an abundant number, since it is smaller than the sum of its proper divisors (19481136).

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

12987384 is a wasteful number, since it uses less digits than its factorization.

12987384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541150 (or 541146 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 12987384 is about 3603.8013263775. The cubic root of 12987384 is about 235.0573814909.

The spelling of 12987384 in words is "twelve million, nine hundred eighty-seven thousand, three hundred eighty-four".