12671992 has 8 divisors (see below), whose sum is σ = 23760000. Its totient is φ = 6335992.

The previous prime is 12671969. The next prime is 12672007. The reversal of 12671992 is 29917621.

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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 791992 + ... + 792007.

It is an arithmetic number, because the mean of its divisors is an integer number (2970000).

Almost surely, 2^12671992 is an apocalyptic number.

It is an amenable number.

12671992 is a deficient number, since it is larger than the sum of its proper divisors (11088008).

12671992 is a wasteful number, since it uses less digits than its factorization.

12671992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584005 (or 1584001 counting only the distinct ones).

The product of its digits is 13608, while the sum is 37.

The square root of 12671992 is about 3559.7741501393. The cubic root of 12671992 is about 233.1390182688.

The spelling of 12671992 in words is "twelve million, six hundred seventy-one thousand, nine hundred ninety-two".