12870188 has 6 divisors (see below), whose sum is σ = 22522836. Its totient is φ = 6435092.

The previous prime is 12870167. The next prime is 12870199. The reversal of 12870188 is 88107821.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1608770 + ... + 1608777.

It is an arithmetic number, because the mean of its divisors is an integer number (3753806).

Almost surely, 2^12870188 is an apocalyptic number.

It is an amenable number.

12870188 is a deficient number, since it is larger than the sum of its proper divisors (9652648).

12870188 is a wasteful number, since it uses less digits than its factorization.

12870188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3217551 (or 3217549 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 35.

The square root of 12870188 is about 3587.5044250844. The cubic root of 12870188 is about 234.3482044152.

The spelling of 12870188 in words is "twelve million, eight hundred seventy thousand, one hundred eighty-eight".