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12211079 is a prime number
BaseRepresentation
bin101110100101…
…001110000111
3211222101110012
4232211032013
511111223304
61113420435
7205535546
oct56451607
924871405
1012211079
116990401
12410a71b
1326b70ba
14189c15d
15111316e
hexba5387

12211079 has 2 divisors, whose sum is σ = 12211080. Its totient is φ = 12211078.

The previous prime is 12211063. The next prime is 12211103. The reversal of 12211079 is 97011221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12211079 - 24 = 12211063 is a prime.

It is a super-2 number, since 2×122110792 = 298220900688482, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12211009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105539 + 6105540.

It is an arithmetic number, because the mean of its divisors is an integer number (6105540).

Almost surely, 212211079 is an apocalyptic number.

12211079 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211079 is an equidigital number, since it uses as much as digits as its factorization.

12211079 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 23.

The square root of 12211079 is about 3494.4354336573. The cubic root of 12211079 is about 230.2774157316.

The spelling of 12211079 in words is "twelve million, two hundred eleven thousand, seventy-nine".