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12700067 is a prime number
BaseRepresentation
bin110000011100…
…100110100011
3212220020012212
4300130212203
511222400232
61132112335
7212643302
oct60344643
925806185
1012700067
117194826
1243056ab
132828843
141988439
1511aceb2
hexc1c9a3

12700067 has 2 divisors, whose sum is σ = 12700068. Its totient is φ = 12700066.

The previous prime is 12700063. The next prime is 12700069. The reversal of 12700067 is 76000721.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12700067 - 22 = 12700063 is a prime.

It is a super-2 number, since 2×127000672 = 322583403608978, which contains 22 as substring.

Together with 12700069, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12700063) 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 as a sum of consecutive naturals, namely, 6350033 + 6350034.

It is an arithmetic number, because the mean of its divisors is an integer number (6350034).

Almost surely, 212700067 is an apocalyptic number.

12700067 is a deficient number, since it is larger than the sum of its proper divisors (1).

12700067 is an equidigital number, since it uses as much as digits as its factorization.

12700067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 12700067 is about 3563.7153365554. The cubic root of 12700067 is about 233.3110656755.

Adding to 12700067 its reverse (76000721), we get a palindrome (88700788).

The spelling of 12700067 in words is "twelve million, seven hundred thousand, sixty-seven".