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12076021 is a prime number
BaseRepresentation
bin101110000100…
…001111110101
3211201112012001
4232010033311
511042413041
61110455301
7204434026
oct56041765
924645161
1012076021
1168a8991
124064531
13266a799
141864c4d
1510d8131
hexb843f5

12076021 has 2 divisors, whose sum is σ = 12076022. Its totient is φ = 12076020.

The previous prime is 12076007. The next prime is 12076027. The reversal of 12076021 is 12067021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11458225 + 617796 = 3385^2 + 786^2 .

It is a cyclic number.

It is not a de Polignac number, because 12076021 - 223 = 3687413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12076021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12076027) 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, 6038010 + 6038011.

It is an arithmetic number, because the mean of its divisors is an integer number (6038011).

Almost surely, 212076021 is an apocalyptic number.

It is an amenable number.

12076021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12076021 is an equidigital number, since it uses as much as digits as its factorization.

12076021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 12076021 is about 3475.0569779501. The cubic root of 12076021 is about 229.4252885158.

The spelling of 12076021 in words is "twelve million, seventy-six thousand, twenty-one".