12887588 has 36 divisors (see below), whose sum is σ = 26812800. Its totient is φ = 5401872.

The previous prime is 12887587. The next prime is 12887591. The reversal of 12887588 is 88578821.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12887587) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8513 + ... + 9911.

It is an arithmetic number, because the mean of its divisors is an integer number (744800).

Almost surely, 2^12887588 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12887588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13406400).

12887588 is an abundant number, since it is smaller than the sum of its proper divisors (13925212).

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

12887588 is a wasteful number, since it uses less digits than its factorization.

12887588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464 (or 1455 counting only the distinct ones).

The product of its digits is 286720, while the sum is 47.

The square root of 12887588 is about 3589.9286900996. The cubic root of 12887588 is about 234.4537667821.

The spelling of 12887588 in words is "twelve million, eight hundred eighty-seven thousand, five hundred eighty-eight".