12987832 has 32 divisors (see below), whose sum is σ = 28612080. Its totient is φ = 5448960.

The previous prime is 12987829. The next prime is 12987833. The reversal of 12987832 is 23878921.

12987832 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12987833) 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, 4533 + ... + 6820.

Almost surely, 2^12987832 is an apocalyptic number.

It is an amenable number.

12987832 is an abundant number, since it is smaller than the sum of its proper divisors (15624248).

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

12987832 is a wasteful number, since it uses less digits than its factorization.

12987832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11383 (or 11379 counting only the distinct ones).

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

The square root of 12987832 is about 3603.8634824310. The cubic root of 12987832 is about 235.0600842291.

The spelling of 12987832 in words is "twelve million, nine hundred eighty-seven thousand, eight hundred thirty-two".