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12317085 = 32511149167
BaseRepresentation
bin101110111111…
…000110011101
3212011202212100
4232333012131
511123121320
61115555313
7206456604
oct56770635
925152770
1012317085
116a53010
12415bb39
132723421
1418c8a3b
151134790
hexbbf19d

12317085 has 48 divisors (see below), whose sum is σ = 23587200. Its totient is φ = 5896320.

The previous prime is 12317077. The next prime is 12317087. The reversal of 12317085 is 58071321.

It is not a de Polignac number, because 12317085 - 23 = 12317077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12317087) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73672 + ... + 73838.

It is an arithmetic number, because the mean of its divisors is an integer number (491400).

Almost surely, 212317085 is an apocalyptic number.

12317085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12317085 is a deficient number, since it is larger than the sum of its proper divisors (11270115).

12317085 is a wasteful number, since it uses less digits than its factorization.

12317085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 12317085 is about 3509.5704865411. The cubic root of 12317085 is about 230.9418530207.

The spelling of 12317085 in words is "twelve million, three hundred seventeen thousand, eighty-five".

Divisors: 1 3 5 9 11 15 33 45 55 99 149 165 167 447 495 501 745 835 1341 1503 1639 1837 2235 2505 4917 5511 6705 7515 8195 9185 14751 16533 24585 24883 27555 73755 74649 82665 124415 223947 273713 373245 821139 1119735 1368565 2463417 4105695 12317085