13368772706 has 4 divisors (see below), whose sum is σ = 20053159062. Its totient is φ = 6684386352.

The previous prime is 13368772693. The next prime is 13368772777. The reversal of 13368772706 is 60727786331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60727786331 = 68699 ⋅883969.

It can be written as a sum of positive squares in only one way, i.e., 11781148681 + 1587624025 = 108541^2 + 39845^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3342193175 + ... + 3342193178.

Almost surely, 2^13368772706 is an apocalyptic number.

13368772706 is a deficient number, since it is larger than the sum of its proper divisors (6684386356).

13368772706 is an equidigital number, since it uses as much as digits as its factorization.

13368772706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6684386355.

The product of its (nonzero) digits is 1778112, while the sum is 50.

The spelling of 13368772706 in words is "thirteen billion, three hundred sixty-eight million, seven hundred seventy-two thousand, seven hundred six".