12821367704 has 8 divisors (see below), whose sum is σ = 24040064460. Its totient is φ = 6410683848.

The previous prime is 12821367667. The next prime is 12821367709. The reversal of 12821367704 is 40776312821.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12821367709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801335474 + ... + 801335489.

Almost surely, 2^12821367704 is an apocalyptic number.

It is an amenable number.

12821367704 is a deficient number, since it is larger than the sum of its proper divisors (11218696756).

12821367704 is a wasteful number, since it uses less digits than its factorization.

12821367704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602670969 (or 1602670965 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 12821367704 in words is "twelve billion, eight hundred twenty-one million, three hundred sixty-seven thousand, seven hundred four".