12872746 has 8 divisors (see below), whose sum is σ = 19673604. Its totient is φ = 6314880.

The previous prime is 12872731. The next prime is 12872749. The reversal of 12872746 is 64727821.

It can be written as a sum of positive squares in 2 ways, for example, as 12215025 + 657721 = 3495^2 + 811^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12872749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60615 + ... + 60826.

Almost surely, 2^12872746 is an apocalyptic number.

12872746 is a deficient number, since it is larger than the sum of its proper divisors (6800858).

12872746 is a wasteful number, since it uses less digits than its factorization.

12872746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121496.

The product of its digits is 37632, while the sum is 37.

The square root of 12872746 is about 3587.8609226111. The cubic root of 12872746 is about 234.3637292595.

The spelling of 12872746 in words is "twelve million, eight hundred seventy-two thousand, seven hundred forty-six".