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12946019 is a prime number
BaseRepresentation
bin110001011000…
…101001100011
3220100201121012
4301120221203
511303233034
61141251135
7215016332
oct61305143
926321535
1012946019
117342599
124403aab
1328b3788
141a0dd19
15120acce
hexc58a63

12946019 has 2 divisors, whose sum is σ = 12946020. Its totient is φ = 12946018.

The previous prime is 12946013. The next prime is 12946051. The reversal of 12946019 is 91064921.

12946019 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (12946051) can be obtained adding 12946019 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12946019 - 212 = 12941923 is a prime.

It is a super-2 number, since 2×129460192 = 335198815896722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12946013) 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, 6473009 + 6473010.

It is an arithmetic number, because the mean of its divisors is an integer number (6473010).

Almost surely, 212946019 is an apocalyptic number.

12946019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12946019 is an equidigital number, since it uses as much as digits as its factorization.

12946019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 12946019 is about 3598.0576704661. The cubic root of 12946019 is about 234.8075623927.

The spelling of 12946019 in words is "twelve million, nine hundred forty-six thousand, nineteen".