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12386911 is a prime number
BaseRepresentation
bin101111010000…
…001001011111
3212022022122111
4233100021133
511132340121
61121254451
7210200305
oct57201137
925268574
1012386911
116aa0519
124194427
132749144
141906275
15114a2e1
hexbd025f

12386911 has 2 divisors, whose sum is σ = 12386912. Its totient is φ = 12386910.

The previous prime is 12386909. The next prime is 12386921. The reversal of 12386911 is 11968321.

It is a weak prime.

It is an emirp because it is prime and its reverse (11968321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12386911 - 21 = 12386909 is a prime.

Together with 12386909, 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 (12386921) 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, 6193455 + 6193456.

It is an arithmetic number, because the mean of its divisors is an integer number (6193456).

Almost surely, 212386911 is an apocalyptic number.

12386911 is a deficient number, since it is larger than the sum of its proper divisors (1).

12386911 is an equidigital number, since it uses as much as digits as its factorization.

12386911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 31.

The square root of 12386911 is about 3519.5043685155. The cubic root of 12386911 is about 231.3774368449.

The spelling of 12386911 in words is "twelve million, three hundred eighty-six thousand, nine hundred eleven".