12947833828 has 24 divisors (see below), whose sum is σ = 24015247200. Its totient is φ = 6087086208.

The previous prime is 12947833823. The next prime is 12947833853. The reversal of 12947833828 is 82833874921.

It is a happy number.

It is a super-2 number, since 2×12947833828² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12947833823) 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, 24138 + ... + 162721.

It is an arithmetic number, because the mean of its divisors is an integer number (1000635300).

Almost surely, 2^12947833828 is an apocalyptic number.

It is an amenable number.

12947833828 is a deficient number, since it is larger than the sum of its proper divisors (11067413372).

12947833828 is a wasteful number, since it uses less digits than its factorization.

12947833828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187899 (or 187897 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 55.

It can be divided in two parts, 129478 and 33828, that added together give a triangular number (163306 = T₅₇₁).

The spelling of 12947833828 in words is "twelve billion, nine hundred forty-seven million, eight hundred thirty-three thousand, eight hundred twenty-eight".