12683717 has 4 divisors (see below), whose sum is σ = 13429836. Its totient is φ = 11937600.

The previous prime is 12683689. The next prime is 12683779. The reversal of 12683717 is 71738621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4104676 + 8579041 = 2026^2 + 2929^2 .

It is a cyclic number.

It is not a de Polignac number, because 12683717 - 2²² = 8489413 is a prime.

It is a super-3 number, since 3×12683717³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12683417) 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, 373034 + ... + 373067.

It is an arithmetic number, because the mean of its divisors is an integer number (3357459).

Almost surely, 2^12683717 is an apocalyptic number.

12683717 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12683717 is a deficient number, since it is larger than the sum of its proper divisors (746119).

12683717 is an equidigital number, since it uses as much as digits as its factorization.

12683717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746118.

The product of its digits is 14112, while the sum is 35.

The square root of 12683717 is about 3561.4206435073. The cubic root of 12683717 is about 233.2109015300.

The spelling of 12683717 in words is "twelve million, six hundred eighty-three thousand, seven hundred seventeen".