12481736 has 8 divisors (see below), whose sum is σ = 23403270. Its totient is φ = 6240864.

The previous prime is 12481673. The next prime is 12481771. The reversal of 12481736 is 63718421.

It can be written as a sum of positive squares in only one way, i.e., 10201636 + 2280100 = 3194^2 + 1510^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 780101 + ... + 780116.

Almost surely, 2^12481736 is an apocalyptic number.

It is an amenable number.

12481736 is a deficient number, since it is larger than the sum of its proper divisors (10921534).

12481736 is a wasteful number, since it uses less digits than its factorization.

12481736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560223 (or 1560219 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 12481736 is about 3532.9500421036. The cubic root of 12481736 is about 231.9663546135.

The spelling of 12481736 in words is "twelve million, four hundred eighty-one thousand, seven hundred thirty-six".