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12076861 is a prime number
BaseRepresentation
bin101110000100…
…011100111101
3211201120100011
4232010130331
511042424421
61110503221
7204436336
oct56043475
924646304
1012076861
1168a9585
124064b11
13266ac94
14186528d
1510d84e1
hexb8473d

12076861 has 2 divisors, whose sum is σ = 12076862. Its totient is φ = 12076860.

The previous prime is 12076859. The next prime is 12076871. The reversal of 12076861 is 16867021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11256025 + 820836 = 3355^2 + 906^2 .

It is a cyclic number.

It is not a de Polignac number, because 12076861 - 21 = 12076859 is a prime.

It is a super-2 number, since 2×120768612 = 291701143226642, which contains 22 as substring.

Together with 12076859, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12076871) 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, 6038430 + 6038431.

It is an arithmetic number, because the mean of its divisors is an integer number (6038431).

Almost surely, 212076861 is an apocalyptic number.

It is an amenable number.

12076861 is a deficient number, since it is larger than the sum of its proper divisors (1).

12076861 is an equidigital number, since it uses as much as digits as its factorization.

12076861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 12076861 is about 3475.1778371761. The cubic root of 12076861 is about 229.4306079493.

The spelling of 12076861 in words is "twelve million, seventy-six thousand, eight hundred sixty-one".