12870992 has 20 divisors (see below), whose sum is σ = 24995796. Its totient is φ = 6420480.

The previous prime is 12870973. The next prime is 12871009. The reversal of 12870992 is 29907821.

It can be written as a sum of positive squares in 2 ways, for example, as 7376656 + 5494336 = 2716^2 + 2344^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9968 + ... + 11184.

Almost surely, 2^12870992 is an apocalyptic number.

It is an amenable number.

12870992 is a deficient number, since it is larger than the sum of its proper divisors (12124804).

12870992 is a wasteful number, since it uses less digits than its factorization.

12870992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886 (or 1880 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 12870992 is about 3587.6164789453. The cubic root of 12870992 is about 234.3530842204.

The spelling of 12870992 in words is "twelve million, eight hundred seventy thousand, nine hundred ninety-two".