12689713 has 8 divisors (see below), whose sum is σ = 12889088. Its totient is φ = 12492144.

The previous prime is 12689711. The next prime is 12689731. The reversal of 12689713 is 31798621.

12689713 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12689713 - 2¹ = 12689711 is a prime.

It is a super-2 number, since 2×12689713² = 322057632044738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12689711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20395 + ... + 21007.

It is an arithmetic number, because the mean of its divisors is an integer number (1611136).

Almost surely, 2^12689713 is an apocalyptic number.

It is an amenable number.

12689713 is a deficient number, since it is larger than the sum of its proper divisors (199375).

12689713 is a wasteful number, since it uses less digits than its factorization.

12689713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903.

The product of its digits is 18144, while the sum is 37.

The square root of 12689713 is about 3562.2623429501. The cubic root of 12689713 is about 233.2476444994.

It can be divided in two parts, 12 and 689713, that added together give a triangular number (689725 = T₁₁₇₄).

The spelling of 12689713 in words is "twelve million, six hundred eighty-nine thousand, seven hundred thirteen".