12711707644 has 24 divisors (see below), whose sum is σ = 22964301360. Its totient is φ = 6153095424.

The previous prime is 12711707633. The next prime is 12711707677. The reversal of 12711707644 is 44670711721.

It is a super-2 number, since 2×12711707644² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12711707597 and 12711707606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307579 + ... + 346450.

It is an arithmetic number, because the mean of its divisors is an integer number (956845890).

Almost surely, 2^12711707644 is an apocalyptic number.

It is an amenable number.

12711707644 is a deficient number, since it is larger than the sum of its proper divisors (10252593716).

12711707644 is a wasteful number, since it uses less digits than its factorization.

12711707644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654189 (or 654187 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 40.

The spelling of 12711707644 in words is "twelve billion, seven hundred eleven million, seven hundred seven thousand, six hundred forty-four".