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12631079 is a prime number
BaseRepresentation
bin110000001011…
…110000100111
3212202201120202
4300023300213
511213143304
61130421115
7212235206
oct60136047
925681522
1012631079
117147a0a
12429179b
132803316
14196b23d
15119781e
hexc0bc27

12631079 has 2 divisors, whose sum is σ = 12631080. Its totient is φ = 12631078.

The previous prime is 12631057. The next prime is 12631111. The reversal of 12631079 is 97013621.

It is a weak prime.

It is an emirp because it is prime and its reverse (97013621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12631079 - 28 = 12630823 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12631019) 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, 6315539 + 6315540.

It is an arithmetic number, because the mean of its divisors is an integer number (6315540).

Almost surely, 212631079 is an apocalyptic number.

12631079 is a deficient number, since it is larger than the sum of its proper divisors (1).

12631079 is an equidigital number, since it uses as much as digits as its factorization.

12631079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 12631079 is about 3554.0229318337. The cubic root of 12631079 is about 232.8878422789.

The spelling of 12631079 in words is "twelve million, six hundred thirty-one thousand, seventy-nine".