12928205396 has 24 divisors (see below), whose sum is σ = 22866067560. Its totient is φ = 6395092992.

The previous prime is 12928205393. The next prime is 12928205417. The reversal of 12928205396 is 69350282921.

It can be written as a sum of positive squares in 4 ways, for example, as 2288282896 + 10639922500 = 47836^2 + 103150^2 .

It is a super-2 number, since 2×12928205396² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12928205396.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12928205393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1543556 + ... + 1551908.

It is an arithmetic number, because the mean of its divisors is an integer number (952752815).

Almost surely, 2^12928205396 is an apocalyptic number.

It is an amenable number.

12928205396 is a deficient number, since it is larger than the sum of its proper divisors (9937862164).

12928205396 is a wasteful number, since it uses less digits than its factorization.

12928205396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12443 (or 12441 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 12928205396 in words is "twelve billion, nine hundred twenty-eight million, two hundred five thousand, three hundred ninety-six".