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12448619 is a prime number
BaseRepresentation
bin101111011111…
…001101101011
3212102110021222
4233133031223
511141323434
61122452255
7210545231
oct57371553
925373258
1012448619
117032917
12420408b
13276b261
141920951
15115d72e
hexbdf36b

12448619 has 2 divisors, whose sum is σ = 12448620. Its totient is φ = 12448618.

The previous prime is 12448609. The next prime is 12448621. The reversal of 12448619 is 91684421.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (91684421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12448619 - 24 = 12448603 is a prime.

It is a super-2 number, since 2×124486192 = 309936230014322, which contains 22 as substring.

Together with 12448621, 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 (12448609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6224309 + 6224310.

It is an arithmetic number, because the mean of its divisors is an integer number (6224310).

Almost surely, 212448619 is an apocalyptic number.

12448619 is a deficient number, since it is larger than the sum of its proper divisors (1).

12448619 is an equidigital number, since it uses as much as digits as its factorization.

12448619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 35.

The square root of 12448619 is about 3528.2600527739. The cubic root of 12448619 is about 231.7610190235.

The spelling of 12448619 in words is "twelve million, four hundred forty-eight thousand, six hundred nineteen".