12689339799674 has 16 divisors (see below), whose sum is σ = 20155136364648. Its totient is φ = 5971015790592.

The previous prime is 12689339799641. The next prime is 12689339799707. The reversal of 12689339799674 is 47699793398621.

It is an interprime number because it is at equal distance from previous prime (12689339799641) and next prime (12689339799707).

It can be written as a sum of positive squares in 4 ways, for example, as 10859285487649 + 1830054312025 = 3295343^2 + 1352795^2 .

It is a super-2 number, since 2×12689339799674² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12689339799592 and 12689339799601.

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, 13224437 + ... + 14151480.

Almost surely, 2^{12689339799674} is an apocalyptic number.

12689339799674 is a deficient number, since it is larger than the sum of its proper divisors (7465796564974).

12689339799674 is a wasteful number, since it uses less digits than its factorization.

12689339799674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27389569.

The product of its digits is 6666395904, while the sum is 83.

The spelling of 12689339799674 in words is "twelve trillion, six hundred eighty-nine billion, three hundred thirty-nine million, seven hundred ninety-nine thousand, six hundred seventy-four".