12650056 has 8 divisors (see below), whose sum is σ = 23718870. Its totient is φ = 6325024.

The previous prime is 12650051. The next prime is 12650063. The reversal of 12650056 is 65005621.

It can be written as a sum of positive squares in only one way, i.e., 6937956 + 5712100 = 2634^2 + 2390^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12650056.

It is not an unprimeable number, because it can be changed into a prime (12650051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 790621 + ... + 790636.

Almost surely, 2^12650056 is an apocalyptic number.

It is an amenable number.

12650056 is a deficient number, since it is larger than the sum of its proper divisors (11068814).

12650056 is a wasteful number, since it uses less digits than its factorization.

12650056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581263 (or 1581259 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 12650056 is about 3556.6917212488. The cubic root of 12650056 is about 233.0044145614.

Adding to 12650056 its reverse (65005621), we get a palindrome (77655677).

The spelling of 12650056 in words is "twelve million, six hundred fifty thousand, fifty-six".