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12700223 is a prime number
BaseRepresentation
bin110000011100…
…101000111111
3212220020102122
4300130220333
511222401343
61132113155
7212643614
oct60345077
925806378
1012700223
117194958
1243057bb
132828933
14198850b
1511ad068
hexc1ca3f

12700223 has 2 divisors, whose sum is σ = 12700224. Its totient is φ = 12700222.

The previous prime is 12700159. The next prime is 12700249. The reversal of 12700223 is 32200721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12700223 - 26 = 12700159 is a prime.

It is a super-2 number, since 2×127002232 = 322591328499458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12700273) 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, 6350111 + 6350112.

It is an arithmetic number, because the mean of its divisors is an integer number (6350112).

Almost surely, 212700223 is an apocalyptic number.

12700223 is a deficient number, since it is larger than the sum of its proper divisors (1).

12700223 is an equidigital number, since it uses as much as digits as its factorization.

12700223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 12700223 is about 3563.7372237582. The cubic root of 12700223 is about 233.3120209559.

Adding to 12700223 its reverse (32200721), we get a palindrome (44900944).

The spelling of 12700223 in words is "twelve million, seven hundred thousand, two hundred twenty-three".