12481056 has 144 divisors (see below), whose sum is σ = 41827968. Its totient is φ = 3456000.

The previous prime is 12481039. The next prime is 12481057. The reversal of 12481056 is 65018421.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12481057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82581 + ... + 82731.

It is an arithmetic number, because the mean of its divisors is an integer number (290472).

Almost surely, 2^12481056 is an apocalyptic number.

12481056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12481056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20913984).

12481056 is an abundant number, since it is smaller than the sum of its proper divisors (29346912).

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

12481056 is a wasteful number, since it uses less digits than its factorization.

12481056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 12481056 is about 3532.8538039381. The cubic root of 12481056 is about 231.9621420589.

Adding to 12481056 its reverse (65018421), we get a palindrome (77499477).

It can be divided in two parts, 1248 and 1056, that added together give a square (2304 = 48²).

The spelling of 12481056 in words is "twelve million, four hundred eighty-one thousand, fifty-six".