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12330918 = 232685051
BaseRepresentation
bin101111000010…
…011110100110
3212012110211200
4233002132212
511124042133
61120143330
7206545125
oct57023646
925173750
1012330918
116a62446
124167b46
132729802
1418cdabc
151138913
hexbc27a6

12330918 has 12 divisors (see below), whose sum is σ = 26717028. Its totient is φ = 4110300.

The previous prime is 12330907. The next prime is 12330973. The reversal of 12330918 is 81903321.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12330891 and 12330900.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 342508 + ... + 342543.

It is an arithmetic number, because the mean of its divisors is an integer number (2226419).

Almost surely, 212330918 is an apocalyptic number.

12330918 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12330918 is an abundant number, since it is smaller than the sum of its proper divisors (14386110).

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

12330918 is a wasteful number, since it uses less digits than its factorization.

12330918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685059 (or 685056 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 12330918 is about 3511.5406875046. The cubic root of 12330918 is about 231.0282756190.

The spelling of 12330918 in words is "twelve million, three hundred thirty thousand, nine hundred eighteen".

Divisors: 1 2 3 6 9 18 685051 1370102 2055153 4110306 6165459 12330918