12481844 has 6 divisors (see below), whose sum is σ = 21843234. Its totient is φ = 6240920.

The previous prime is 12481831. The next prime is 12481873. The reversal of 12481844 is 44818421.

It can be written as a sum of positive squares in only one way, i.e., 7772944 + 4708900 = 2788^2 + 2170^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12481844.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560227 + ... + 1560234.

It is an arithmetic number, because the mean of its divisors is an integer number (3640539).

Almost surely, 2^12481844 is an apocalyptic number.

It is an amenable number.

12481844 is a deficient number, since it is larger than the sum of its proper divisors (9361390).

12481844 is a wasteful number, since it uses less digits than its factorization.

12481844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3120465 (or 3120463 counting only the distinct ones).

The product of its digits is 8192, while the sum is 32.

The square root of 12481844 is about 3532.9653267475. The cubic root of 12481844 is about 231.9670236523.

The spelling of 12481844 in words is "twelve million, four hundred eighty-one thousand, eight hundred forty-four".