12487384 has 64 divisors (see below), whose sum is σ = 30542400. Its totient is φ = 4644864.

The previous prime is 12487381. The next prime is 12487403. The reversal of 12487384 is 48378421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12487381) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11872 + ... + 12880.

It is an arithmetic number, because the mean of its divisors is an integer number (477225).

Almost surely, 2^12487384 is an apocalyptic number.

12487384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12487384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15271200).

12487384 is an abundant number, since it is smaller than the sum of its proper divisors (18055016).

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

12487384 is a wasteful number, since it uses less digits than its factorization.

12487384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052 (or 1048 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The square root of 12487384 is about 3533.7492836929. The cubic root of 12487384 is about 232.0013376855.

The spelling of 12487384 in words is "twelve million, four hundred eighty-seven thousand, three hundred eighty-four".