12871162 has 4 divisors (see below), whose sum is σ = 19306746. Its totient is φ = 6435580.

The previous prime is 12871129. The next prime is 12871181. The reversal of 12871162 is 26117821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26117821 = 61 ⋅428161.

It can be written as a sum of positive squares in only one way, i.e., 9916201 + 2954961 = 3149^2 + 1719^2 .

It is a super-2 number, since 2×12871162² = 331333622460488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12871162.

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, 3217789 + ... + 3217792.

Almost surely, 2^12871162 is an apocalyptic number.

12871162 is a deficient number, since it is larger than the sum of its proper divisors (6435584).

12871162 is an equidigital number, since it uses as much as digits as its factorization.

12871162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6435583.

The product of its digits is 1344, while the sum is 28.

The square root of 12871162 is about 3587.6401714776. The cubic root of 12871162 is about 234.3541159940.

Adding to 12871162 its reverse (26117821), we get a palindrome (38988983).

The spelling of 12871162 in words is "twelve million, eight hundred seventy-one thousand, one hundred sixty-two".