12713872 has 20 divisors (see below), whose sum is σ = 24803100. Its totient is φ = 6313088.

The previous prime is 12713867. The next prime is 12713873. The reversal of 12713872 is 27831721.

It can be written as a sum of positive squares in 2 ways, for example, as 8202496 + 4511376 = 2864^2 + 2124^2 .

It is not an unprimeable number, because it can be changed into a prime (12713873) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 283 + ... + 5050.

It is an arithmetic number, because the mean of its divisors is an integer number (1240155).

Almost surely, 2^12713872 is an apocalyptic number.

It is an amenable number.

12713872 is a deficient number, since it is larger than the sum of its proper divisors (12089228).

12713872 is a wasteful number, since it uses less digits than its factorization.

12713872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5490 (or 5484 counting only the distinct ones).

The product of its digits is 4704, while the sum is 31.

The square root of 12713872 is about 3565.6516935898. The cubic root of 12713872 is about 233.3955716060.

The spelling of 12713872 in words is "twelve million, seven hundred thirteen thousand, eight hundred seventy-two".