12705716762 has 4 divisors (see below), whose sum is σ = 19058575146. Its totient is φ = 6352858380.

The previous prime is 12705716759. The next prime is 12705716773. The reversal of 12705716762 is 26761750721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26761750721 = 10079 ⋅2655199.

It can be written as a sum of positive squares in only one way, i.e., 9244630201 + 3461086561 = 96149^2 + 58831^2 .

It is a super-2 number, since 2×12705716762² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3176429189 + ... + 3176429192.

Almost surely, 2^12705716762 is an apocalyptic number.

12705716762 is a deficient number, since it is larger than the sum of its proper divisors (6352858384).

12705716762 is an equidigital number, since it uses as much as digits as its factorization.

12705716762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6352858383.

The product of its (nonzero) digits is 246960, while the sum is 44.

The spelling of 12705716762 in words is "twelve billion, seven hundred five million, seven hundred sixteen thousand, seven hundred sixty-two".