12531024 has 120 divisors (see below), whose sum is σ = 39809952. Its totient is φ = 3784320.

The previous prime is 12531019. The next prime is 12531041. The reversal of 12531024 is 42013521.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12530988 and 12531006.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 42622 + ... + 42914.

Almost surely, 2^12531024 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 12531024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19904976).

12531024 is an abundant number, since it is smaller than the sum of its proper divisors (27278928).

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

12531024 is a wasteful number, since it uses less digits than its factorization.

12531024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 12531024 is about 3539.9186431329. The cubic root of 12531024 is about 232.2712839250.

Adding to 12531024 its reverse (42013521), we get a palindrome (54544545).

The spelling of 12531024 in words is "twelve million, five hundred thirty-one thousand, twenty-four".