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12717151 is a prime number
BaseRepresentation
bin110000100000…
…110001011111
3212221002122121
4300200301133
511223422101
61132323411
7213044146
oct60406137
925832577
1012717151
1171a6647
124313567
132833555
14199075d
1511b30a1
hexc20c5f

12717151 has 2 divisors, whose sum is σ = 12717152. Its totient is φ = 12717150.

The previous prime is 12717149. The next prime is 12717163. The reversal of 12717151 is 15171721.

It is a weak prime.

It is an emirp because it is prime and its reverse (15171721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12717151 - 21 = 12717149 is a prime.

Together with 12717149, 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 (12711151) 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, 6358575 + 6358576.

It is an arithmetic number, because the mean of its divisors is an integer number (6358576).

Almost surely, 212717151 is an apocalyptic number.

12717151 is a deficient number, since it is larger than the sum of its proper divisors (1).

12717151 is an equidigital number, since it uses as much as digits as its factorization.

12717151 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 12717151 is about 3566.1114676914. Note that the first 3 decimals coincide. The cubic root of 12717151 is about 233.4156346861.

Adding to 12717151 its reverse (15171721), we get a palindrome (27888872).

The spelling of 12717151 in words is "twelve million, seven hundred seventeen thousand, one hundred fifty-one".