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12312363 = 373118913
BaseRepresentation
bin101110111101…
…111100101011
3212011112101110
4232331330223
511122443423
61115521403
7206440050
oct56757453
925145343
1012312363
116a4a508
124159263
13272122b
1418c7027
151133193
hexbbdf2b

12312363 has 16 divisors (see below), whose sum is σ = 19367936. Its totient is φ = 6808320.

The previous prime is 12312359. The next prime is 12312397. The reversal of 12312363 is 36321321.

It is not a de Polignac number, because 12312363 - 22 = 12312359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12312353) 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 15 ways as a sum of consecutive naturals, for example, 8806 + ... + 10107.

It is an arithmetic number, because the mean of its divisors is an integer number (1210496).

Almost surely, 212312363 is an apocalyptic number.

12312363 is a deficient number, since it is larger than the sum of its proper divisors (7055573).

12312363 is a wasteful number, since it uses less digits than its factorization.

12312363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18954.

The product of its digits is 648, while the sum is 21.

The square root of 12312363 is about 3508.8976901585. The cubic root of 12312363 is about 230.9123371946.

Adding to 12312363 its reverse (36321321), we get a palindrome (48633684).

The spelling of 12312363 in words is "twelve million, three hundred twelve thousand, three hundred sixty-three".

Divisors: 1 3 7 21 31 93 217 651 18913 56739 132391 397173 586303 1758909 4104121 12312363