12713188 has 6 divisors (see below), whose sum is σ = 22248086. Its totient is φ = 6356592.

The previous prime is 12713159. The next prime is 12713201. The reversal of 12713188 is 88131721.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12659364 + 53824 = 3558^2 + 232^2 .

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, 1589145 + ... + 1589152.

Almost surely, 2^12713188 is an apocalyptic number.

It is an amenable number.

12713188 is a deficient number, since it is larger than the sum of its proper divisors (9534898).

12713188 is a wasteful number, since it uses less digits than its factorization.

12713188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178301 (or 3178299 counting only the distinct ones).

The product of its digits is 2688, while the sum is 31.

The square root of 12713188 is about 3565.5557771545. Note that the first 3 decimals coincide. The cubic root of 12713188 is about 233.3913860090.

The spelling of 12713188 in words is "twelve million, seven hundred thirteen thousand, one hundred eighty-eight".