12531488 has 24 divisors (see below), whose sum is σ = 25971120. Its totient is φ = 5935680.

The previous prime is 12531473. The next prime is 12531511. The reversal of 12531488 is 88413521.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 9698 + ... + 10913.

It is an arithmetic number, because the mean of its divisors is an integer number (1082130).

Almost surely, 2^12531488 is an apocalyptic number.

It is an amenable number.

12531488 is an abundant number, since it is smaller than the sum of its proper divisors (13439632).

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

12531488 is a wasteful number, since it uses less digits than its factorization.

12531488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20640 (or 20632 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 12531488 is about 3539.9841807556. The cubic root of 12531488 is about 232.2741507443.

It can be divided in two parts, 125 and 31488, that added together give a palindrome (31613).

The spelling of 12531488 in words is "twelve million, five hundred thirty-one thousand, four hundred eighty-eight".