12481532 has 12 divisors (see below), whose sum is σ = 24963120. Its totient is φ = 5349216.

The previous prime is 12481531. The next prime is 12481541. The reversal of 12481532 is 23518421.

12481532 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12481531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222857 + ... + 222912.

It is an arithmetic number, because the mean of its divisors is an integer number (2080260).

Almost surely, 2^12481532 is an apocalyptic number.

It is an amenable number.

12481532 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12481532 is a wasteful number, since it uses less digits than its factorization.

12481532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445780 (or 445778 counting only the distinct ones).

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

The square root of 12481532 is about 3532.9211709292. The cubic root of 12481532 is about 231.9650908632.

Adding to 12481532 its reverse (23518421), we get a palindrome (35999953).

The spelling of 12481532 in words is "twelve million, four hundred eighty-one thousand, five hundred thirty-two".