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12241279 is a prime number
BaseRepresentation
bin101110101100…
…100101111111
3212000220212201
4232230211333
511113210104
61114212331
7206022601
oct56544577
925026781
1012241279
116a01066
1241240a7
1326c7a7b
1418a9171
15111c0a4
hexbac97f

12241279 has 2 divisors, whose sum is σ = 12241280. Its totient is φ = 12241278.

The previous prime is 12241231. The next prime is 12241289. The reversal of 12241279 is 97214221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12241279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12241289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6120639 + 6120640.

It is an arithmetic number, because the mean of its divisors is an integer number (6120640).

Almost surely, 212241279 is an apocalyptic number.

12241279 is a deficient number, since it is larger than the sum of its proper divisors (1).

12241279 is an equidigital number, since it uses as much as digits as its factorization.

12241279 is an evil number, because the sum of its binary digits is even.

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

The square root of 12241279 is about 3498.7539210410. The cubic root of 12241279 is about 230.4670973782.

The spelling of 12241279 in words is "twelve million, two hundred forty-one thousand, two hundred seventy-nine".