12682709 has 8 divisors (see below), whose sum is σ = 14377440. Its totient is φ = 11090736.

The previous prime is 12682673. The next prime is 12682723. The reversal of 12682709 is 90728621.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12682709 is a prime.

It is a super-2 number, since 2×12682709² = 321702215157362, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12681709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25427 + ... + 25920.

It is an arithmetic number, because the mean of its divisors is an integer number (1797180).

Almost surely, 2^12682709 is an apocalyptic number.

12682709 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12682709 is a deficient number, since it is larger than the sum of its proper divisors (1694731).

12682709 is a wasteful number, since it uses less digits than its factorization.

12682709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51379.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 12682709 is about 3561.2791241350. The cubic root of 12682709 is about 233.2047234562.

The spelling of 12682709 in words is "twelve million, six hundred eighty-two thousand, seven hundred nine".