12872634 has 8 divisors (see below), whose sum is σ = 25745280. Its totient is φ = 4290876.

The previous prime is 12872627. The next prime is 12872653. The reversal of 12872634 is 43627821.

It is a sphenic number, since it is the product of 3 distinct primes.

12872634 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 12872595 and 12872604.

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 3 ways as a sum of consecutive naturals, for example, 1072714 + ... + 1072725.

It is an arithmetic number, because the mean of its divisors is an integer number (3218160).

Almost surely, 2^12872634 is an apocalyptic number.

12872634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12872634 is a wasteful number, since it uses less digits than its factorization.

12872634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145444.

The product of its digits is 16128, while the sum is 33.

The square root of 12872634 is about 3587.8453143914. The cubic root of 12872634 is about 234.3630495596.

The spelling of 12872634 in words is "twelve million, eight hundred seventy-two thousand, six hundred thirty-four".