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12317310 = 2325136859
BaseRepresentation
bin101110111111…
…001001111110
3212011210011200
4232333021332
511123123220
61120000330
7206460345
oct56771176
925153150
1012317310
116a531a5
1241600a6
132723565
1418c8b5c
151134890
hexbbf27e

12317310 has 24 divisors (see below), whose sum is σ = 32025240. Its totient is φ = 3284592.

The previous prime is 12317309. The next prime is 12317311. The reversal of 12317310 is 1371321.

It is an interprime number because it is at equal distance from previous prime (12317309) and next prime (12317311).

It is a super-2 number, since 2×123173102 = 303432251272200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12317311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68340 + ... + 68519.

It is an arithmetic number, because the mean of its divisors is an integer number (1334385).

Almost surely, 212317310 is an apocalyptic number.

12317310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12317310 is an abundant number, since it is smaller than the sum of its proper divisors (19707930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12317310 is a wasteful number, since it uses less digits than its factorization.

12317310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136872 (or 136869 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 12317310 is about 3509.6025415993. The cubic root of 12317310 is about 230.9432592409.

Adding to 12317310 its reverse (1371321), we get a palindrome (13688631).

The spelling of 12317310 in words is "twelve million, three hundred seventeen thousand, three hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 136859 273718 410577 684295 821154 1231731 1368590 2052885 2463462 4105770 6158655 12317310