12512056 has 8 divisors (see below), whose sum is σ = 23460120. Its totient is φ = 6256024.

The previous prime is 12512047. The next prime is 12512057. The reversal of 12512056 is 65021521.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12512057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 781996 + ... + 782011.

It is an arithmetic number, because the mean of its divisors is an integer number (2932515).

Almost surely, 2^12512056 is an apocalyptic number.

It is an amenable number.

12512056 is a deficient number, since it is larger than the sum of its proper divisors (10948064).

12512056 is a wasteful number, since it uses less digits than its factorization.

12512056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564013 (or 1564009 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 12512056 is about 3537.2384708979. The cubic root of 12512056 is about 232.1540296995.

Adding to 12512056 its reverse (65021521), we get a palindrome (77533577).

The spelling of 12512056 in words is "twelve million, five hundred twelve thousand, fifty-six".