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12741317 is a prime number
BaseRepresentation
bin110000100110…
…101011000101
3212222022210122
4300212223011
511230210232
61133031325
7213204461
oct60465305
925868718
1012741317
117212816
124325545
132841554
1419994a1
1511ba312
hexc26ac5

12741317 has 2 divisors, whose sum is σ = 12741318. Its totient is φ = 12741316.

The previous prime is 12741299. The next prime is 12741319. The reversal of 12741317 is 71314721.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9647236 + 3094081 = 3106^2 + 1759^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12741317 is a prime.

Together with 12741319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12741319) 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, 6370658 + 6370659.

It is an arithmetic number, because the mean of its divisors is an integer number (6370659).

Almost surely, 212741317 is an apocalyptic number.

It is an amenable number.

12741317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12741317 is an equidigital number, since it uses as much as digits as its factorization.

12741317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1176, while the sum is 26.

The square root of 12741317 is about 3569.4981439973. The cubic root of 12741317 is about 233.5633919165.

The spelling of 12741317 in words is "twelve million, seven hundred forty-one thousand, three hundred seventeen".