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12007291 is a prime number
BaseRepresentation
bin101101110011…
…011101111011
3211121000220111
4231303131323
511033213131
61105205151
7204026452
oct55633573
924530814
1012007291
11686128a
1240307b7
13264540a
141847b99
1510c2ab1
hexb7377b

12007291 has 2 divisors, whose sum is σ = 12007292. Its totient is φ = 12007290.

The previous prime is 12007223. The next prime is 12007313. The reversal of 12007291 is 19270021.

It is an a-pointer prime, because the next prime (12007313) can be obtained adding 12007291 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12007291 - 211 = 12005243 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12007211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6003645 + 6003646.

It is an arithmetic number, because the mean of its divisors is an integer number (6003646).

Almost surely, 212007291 is an apocalyptic number.

12007291 is a deficient number, since it is larger than the sum of its proper divisors (1).

12007291 is an equidigital number, since it uses as much as digits as its factorization.

12007291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 12007291 is about 3465.1538205396. The cubic root of 12007291 is about 228.9892064095.

The spelling of 12007291 in words is "twelve million, seven thousand, two hundred ninety-one".