12700717 has 8 divisors (see below), whose sum is σ = 13481856. Its totient is φ = 11923392.

The previous prime is 12700711. The next prime is 12700729. The reversal of 12700717 is 71700721.

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

It is a de Polignac number, because none of the positive numbers 2^k-12700717 is a prime.

It is a super-2 number, since 2×12700717² = 322616424628178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12700691 and 12700700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12700711) 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, 8908 + ... + 10234.

It is an arithmetic number, because the mean of its divisors is an integer number (1685232).

Almost surely, 2^12700717 is an apocalyptic number.

12700717 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12700717 is a deficient number, since it is larger than the sum of its proper divisors (781139).

12700717 is a wasteful number, since it uses less digits than its factorization.

12700717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907.

The product of its (nonzero) digits is 686, while the sum is 25.

The square root of 12700717 is about 3563.8065323471. The cubic root of 12700717 is about 233.3150459591.

The spelling of 12700717 in words is "twelve million, seven hundred thousand, seven hundred seventeen".