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12679317 = 327313643
BaseRepresentation
bin110000010111…
…100010010101
3212212011202100
4300113202111
511221214232
61131432313
7212525640
oct60274225
925764670
1012679317
117180182
1242b5699
13281c271
141980a57
1511a6c7c
hexc17895

12679317 has 24 divisors (see below), whose sum is σ = 21030464. Its totient is φ = 7210944.

The previous prime is 12679313. The next prime is 12679339. The reversal of 12679317 is 71397621.

It is a happy number.

It is not a de Polignac number, because 12679317 - 22 = 12679313 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12679313) 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 23 ways as a sum of consecutive naturals, for example, 19398 + ... + 20040.

Almost surely, 212679317 is an apocalyptic number.

It is an amenable number.

12679317 is a deficient number, since it is larger than the sum of its proper divisors (8351147).

12679317 is a wasteful number, since it uses less digits than its factorization.

12679317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969 (or 966 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 12679317 is about 3560.8028589070. The cubic root of 12679317 is about 233.1839313433.

It can be divided in two parts, 12679 and 317, that added together give a square (12996 = 1142).

The spelling of 12679317 in words is "twelve million, six hundred seventy-nine thousand, three hundred seventeen".

Divisors: 1 3 7 9 21 63 313 643 939 1929 2191 2817 4501 5787 6573 13503 19719 40509 201259 603777 1408813 1811331 4226439 12679317