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12771151 is a prime number
BaseRepresentation
bin110000101101…
…111101001111
3220000211201121
4300231331033
511232134101
61133421411
7213360451
oct60557517
926024647
1012771151
117233178
12433a867
132851cc3
1419a62d1
1511c40a1
hexc2df4f

12771151 has 2 divisors, whose sum is σ = 12771152. Its totient is φ = 12771150.

The previous prime is 12771149. The next prime is 12771191. The reversal of 12771151 is 15117721.

12771151 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (15117721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12771151 - 21 = 12771149 is a prime.

Together with 12771149, 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 (12771191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6385575 + 6385576.

It is an arithmetic number, because the mean of its divisors is an integer number (6385576).

Almost surely, 212771151 is an apocalyptic number.

12771151 is a deficient number, since it is larger than the sum of its proper divisors (1).

12771151 is an equidigital number, since it uses as much as digits as its factorization.

12771151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 490, while the sum is 25.

The square root of 12771151 is about 3573.6747193890. The cubic root of 12771151 is about 233.7455473048.

Adding to 12771151 its reverse (15117721), we get a palindrome (27888872).

The spelling of 12771151 in words is "twelve million, seven hundred seventy-one thousand, one hundred fifty-one".