12705672576 has 32 divisors (see below), whose sum is σ = 33749443800. Its totient is φ = 4235224064.

The previous prime is 12705672559. The next prime is 12705672631. The reversal of 12705672576 is 67527650721.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×12705672576² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16543461 + ... + 16544228.

Almost surely, 2^12705672576 is an apocalyptic number.

12705672576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12705672576 is an abundant number, since it is smaller than the sum of its proper divisors (21043771224).

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

12705672576 is an equidigital number, since it uses as much as digits as its factorization.

12705672576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33087706 (or 33087694 counting only the distinct ones).

The product of its (nonzero) digits is 1234800, while the sum is 48.

The spelling of 12705672576 in words is "twelve billion, seven hundred five million, six hundred seventy-two thousand, five hundred seventy-six".