12887384 has 8 divisors (see below), whose sum is σ = 24163860. Its totient is φ = 6443688.

The previous prime is 12887341. The next prime is 12887389. The reversal of 12887384 is 48378821.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12887389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805454 + ... + 805469.

Almost surely, 2^12887384 is an apocalyptic number.

It is an amenable number.

12887384 is a deficient number, since it is larger than the sum of its proper divisors (11276476).

12887384 is a wasteful number, since it uses less digits than its factorization.

12887384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610929 (or 1610925 counting only the distinct ones).

The product of its digits is 86016, while the sum is 41.

The square root of 12887384 is about 3589.9002771665. The cubic root of 12887384 is about 234.4525297049.

The spelling of 12887384 in words is "twelve million, eight hundred eighty-seven thousand, three hundred eighty-four".