12531248 has 40 divisors (see below), whose sum is σ = 25444800. Its totient is φ = 5970944.

The previous prime is 12531247. The next prime is 12531263. The reversal of 12531248 is 84213521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12531247) 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 7 ways as a sum of consecutive naturals, for example, 52313 + ... + 52551.

It is an arithmetic number, because the mean of its divisors is an integer number (636120).

Almost surely, 2^12531248 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 12531248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12722400).

12531248 is an abundant number, since it is smaller than the sum of its proper divisors (12913552).

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

12531248 is a wasteful number, since it uses less digits than its factorization.

12531248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 383 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 12531248 is about 3539.9502821367. The cubic root of 12531248 is about 232.2726679156.

Adding to 12531248 its reverse (84213521), we get a palindrome (96744769).

The spelling of 12531248 in words is "twelve million, five hundred thirty-one thousand, two hundred forty-eight".