12711828 has 24 divisors (see below), whose sum is σ = 29878240. Its totient is φ = 4206240.

The previous prime is 12711827. The next prime is 12711859. The reversal of 12711828 is 82811721.

It is a happy number.

It is a super-2 number, since 2×12711828² = 323181142203168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12711795 and 12711804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12711821) 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 7 ways as a sum of consecutive naturals, for example, 2143 + ... + 5478.

Almost surely, 2^12711828 is an apocalyptic number.

It is an amenable number.

12711828 is an abundant number, since it is smaller than the sum of its proper divisors (17166412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12711828 is a wasteful number, since it uses less digits than its factorization.

12711828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7767 (or 7765 counting only the distinct ones).

The product of its digits is 1792, while the sum is 30.

The square root of 12711828 is about 3565.3650584477. The cubic root of 12711828 is about 233.3830633233.

The spelling of 12711828 in words is "twelve million, seven hundred eleven thousand, eight hundred twenty-eight".