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12322105 = 52464421
BaseRepresentation
bin101111000000…
…010100111001
3212012000202021
4233000110321
511123301410
61120034441
7206510335
oct57002471
925160667
1012322105
116a56864
124162a21
1327257b3
1418ca7c5
151135eda
hexbc0539

12322105 has 4 divisors (see below), whose sum is σ = 14786532. Its totient is φ = 9857680.

The previous prime is 12322081. The next prime is 12322109. The reversal of 12322105 is 50122321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50122321 = 65376757.

It can be written as a sum of positive squares in 2 ways, for example, as 6827769 + 5494336 = 2613^2 + 2344^2 .

It is not a de Polignac number, because 12322105 - 27 = 12321977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12322109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1232206 + ... + 1232215.

It is an arithmetic number, because the mean of its divisors is an integer number (3696633).

Almost surely, 212322105 is an apocalyptic number.

It is an amenable number.

12322105 is a deficient number, since it is larger than the sum of its proper divisors (2464427).

12322105 is an equidigital number, since it uses as much as digits as its factorization.

12322105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464426.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 12322105 is about 3510.2856009163. The cubic root of 12322105 is about 230.9732232851.

Adding to 12322105 its reverse (50122321), we get a palindrome (62444426).

The spelling of 12322105 in words is "twelve million, three hundred twenty-two thousand, one hundred five".

Divisors: 1 5 2464421 12322105