12703705638706 has 8 divisors (see below), whose sum is σ = 19055576742300. Its totient is φ = 6351846724608.

The previous prime is 12703705638703. The next prime is 12703705638719. The reversal of 12703705638706 is 60783650730721.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11739470016681 + 964235622025 = 3426291^2 + 981955^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12703705638706² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12703705638703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288370 + ... + 5048818.

Almost surely, 2^{12703705638706} is an apocalyptic number.

12703705638706 is a deficient number, since it is larger than the sum of its proper divisors (6351871103594).

12703705638706 is a wasteful number, since it uses less digits than its factorization.

12703705638706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6094748.

The product of its (nonzero) digits is 8890560, while the sum is 55.

The spelling of 12703705638706 in words is "twelve trillion, seven hundred three billion, seven hundred five million, six hundred thirty-eight thousand, seven hundred six".