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12712317 = 35971821
BaseRepresentation
bin110000011111…
…100101111101
3212220212000120
4300133211331
511223243232
61132245153
7213024102
oct60374575
925825016
1012712317
1171a2a52
1243107b9
1328312a7
14198caa9
1511b192c
hexc1f97d

12712317 has 8 divisors (see below), whose sum is σ = 17237280. Its totient is φ = 8331120.

The previous prime is 12712313. The next prime is 12712321. The reversal of 12712317 is 71321721.

It is an interprime number because it is at equal distance from previous prime (12712313) and next prime (12712321).

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

It is not a de Polignac number, because 12712317 - 22 = 12712313 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12712313) 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, 35734 + ... + 36087.

It is an arithmetic number, because the mean of its divisors is an integer number (2154660).

Almost surely, 212712317 is an apocalyptic number.

It is an amenable number.

12712317 is a deficient number, since it is larger than the sum of its proper divisors (4524963).

12712317 is an equidigital number, since it uses as much as digits as its factorization.

12712317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71883.

The product of its digits is 588, while the sum is 24.

The square root of 12712317 is about 3565.4336342162. The cubic root of 12712317 is about 233.3860558867.

The spelling of 12712317 in words is "twelve million, seven hundred twelve thousand, three hundred seventeen".

Divisors: 1 3 59 177 71821 215463 4237439 12712317