12712124 has 24 divisors (see below), whose sum is σ = 23895648. Its totient is φ = 5895680.

The previous prime is 12712099. The next prime is 12712187. The reversal of 12712124 is 42121721.

It is a junction number, because it is equal to n+sod(n) for n = 12712096 and 12712105.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 3512 + ... + 6144.

It is an arithmetic number, because the mean of its divisors is an integer number (995652).

Almost surely, 2^12712124 is an apocalyptic number.

It is an amenable number.

12712124 is a deficient number, since it is larger than the sum of its proper divisors (11183524).

12712124 is a wasteful number, since it uses less digits than its factorization.

12712124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725 (or 2723 counting only the distinct ones).

The product of its digits is 224, while the sum is 20.

The square root of 12712124 is about 3565.4065686819. The cubic root of 12712124 is about 233.3848747819.

Adding to 12712124 its reverse (42121721), we get a palindrome (54833845).

The spelling of 12712124 in words is "twelve million, seven hundred twelve thousand, one hundred twenty-four".