12516572 has 12 divisors (see below), whose sum is σ = 21952056. Its totient is φ = 6244560.

The previous prime is 12516571. The next prime is 12516587. The reversal of 12516572 is 27561521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12516571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1223 + ... + 5150.

It is an arithmetic number, because the mean of its divisors is an integer number (1829338).

Almost surely, 2^12516572 is an apocalyptic number.

It is an amenable number.

12516572 is a deficient number, since it is larger than the sum of its proper divisors (9435484).

12516572 is a wasteful number, since it uses less digits than its factorization.

12516572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6868 (or 6866 counting only the distinct ones).

The product of its digits is 4200, while the sum is 29.

The square root of 12516572 is about 3537.8767643885. The cubic root of 12516572 is about 232.1819569373.

The spelling of 12516572 in words is "twelve million, five hundred sixteen thousand, five hundred seventy-two".