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12735223 is a prime number
BaseRepresentation
bin110000100101…
…001011110111
3212222000102221
4300211023313
511230011343
61132543211
7213150634
oct60451367
925860387
1012735223
117209186
124321b07
13283b847
14199718b
1511b85ed
hexc252f7

12735223 has 2 divisors, whose sum is σ = 12735224. Its totient is φ = 12735222.

The previous prime is 12735221. The next prime is 12735251. The reversal of 12735223 is 32253721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12735223 - 21 = 12735221 is a prime.

Together with 12735221, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12735221) by changing a digit.

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 as a sum of consecutive naturals, namely, 6367611 + 6367612.

It is an arithmetic number, because the mean of its divisors is an integer number (6367612).

Almost surely, 212735223 is an apocalyptic number.

12735223 is a deficient number, since it is larger than the sum of its proper divisors (1).

12735223 is an equidigital number, since it uses as much as digits as its factorization.

12735223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 25.

The square root of 12735223 is about 3568.6444205048. The cubic root of 12735223 is about 233.5261492387.

Adding to 12735223 its reverse (32253721), we get a palindrome (44988944).

The spelling of 12735223 in words is "twelve million, seven hundred thirty-five thousand, two hundred twenty-three".