12630872 has 8 divisors (see below), whose sum is σ = 23682900. Its totient is φ = 6315432.

The previous prime is 12630869. The next prime is 12630913. The reversal of 12630872 is 27803621.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 789422 + ... + 789437.

Almost surely, 2^12630872 is an apocalyptic number.

It is an amenable number.

12630872 is a deficient number, since it is larger than the sum of its proper divisors (11052028).

12630872 is a wasteful number, since it uses less digits than its factorization.

12630872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578865 (or 1578861 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 12630872 is about 3553.9938097864. The cubic root of 12630872 is about 232.8865700718.

The spelling of 12630872 in words is "twelve million, six hundred thirty thousand, eight hundred seventy-two".