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12068731 is a prime number
BaseRepresentation
bin101110000010…
…011101111011
3211201011012001
4232002131323
511042144411
61110401431
7204403543
oct56023573
924634161
1012068731
1168a3464
124060277
13266737c
141862323
1510d5dc1
hexb8277b

12068731 has 2 divisors, whose sum is σ = 12068732. Its totient is φ = 12068730.

The previous prime is 12068729. The next prime is 12068737. The reversal of 12068731 is 13786021.

It is a weak prime.

It is an emirp because it is prime and its reverse (13786021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12068731 - 21 = 12068729 is a prime.

It is a super-2 number, since 2×120687312 = 291308535900722, which contains 22 as substring.

Together with 12068729, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12068731.

It is not a weakly prime, because it can be changed into another prime (12068737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6034365 + 6034366.

It is an arithmetic number, because the mean of its divisors is an integer number (6034366).

Almost surely, 212068731 is an apocalyptic number.

12068731 is a deficient number, since it is larger than the sum of its proper divisors (1).

12068731 is an equidigital number, since it uses as much as digits as its factorization.

12068731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 12068731 is about 3474.0079159380. The cubic root of 12068731 is about 229.3791130684.

The spelling of 12068731 in words is "twelve million, sixty-eight thousand, seven hundred thirty-one".