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12814317 = 322921693
BaseRepresentation
bin110000111000…
…011111101101
3220010000221100
4300320133231
511240024232
61134353313
7213630345
oct60703755
926100840
1012814317
11726264a
12435b839
132868849
1419b7d25
1511d1c7c
hexc387ed

12814317 has 18 divisors (see below), whose sum is σ = 19181162. Its totient is φ = 8243424.

The previous prime is 12814273. The next prime is 12814327. The reversal of 12814317 is 71341821.

It can be written as a sum of positive squares in 3 ways, for example, as 1565001 + 11249316 = 1251^2 + 3354^2 .

It is not a de Polignac number, because 12814317 - 223 = 4425709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12814327) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6723 + ... + 8415.

Almost surely, 212814317 is an apocalyptic number.

It is an amenable number.

12814317 is a deficient number, since it is larger than the sum of its proper divisors (6366845).

12814317 is a wasteful number, since it uses less digits than its factorization.

12814317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757 (or 1725 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 12814317 is about 3579.7090663907. The cubic root of 12814317 is about 234.0086014809.

It can be divided in two parts, 12814 and 317, that added together give a palindrome (13131).

The spelling of 12814317 in words is "twelve million, eight hundred fourteen thousand, three hundred seventeen".

Divisors: 1 3 9 29 87 261 841 1693 2523 5079 7569 15237 49097 147291 441873 1423813 4271439 12814317