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12064681 is a prime number
BaseRepresentation
bin101110000001…
…011110101001
3211200221122001
4232001132221
511042032211
61110331001
7204355666
oct56013651
924627561
1012064681
1168a0412
124059a61
132665585
141860a6d
1510d4ac1
hexb817a9

12064681 has 2 divisors, whose sum is σ = 12064682. Its totient is φ = 12064680.

The previous prime is 12064669. The next prime is 12064687. The reversal of 12064681 is 18646021.

12064681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6843456 + 5221225 = 2616^2 + 2285^2 .

It is a cyclic number.

It is not a de Polignac number, because 12064681 - 215 = 12031913 is a prime.

It is a super-2 number, since 2×120646812 = 291113055263522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12064687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6032340 + 6032341.

It is an arithmetic number, because the mean of its divisors is an integer number (6032341).

Almost surely, 212064681 is an apocalyptic number.

It is an amenable number.

12064681 is a deficient number, since it is larger than the sum of its proper divisors (1).

12064681 is an equidigital number, since it uses as much as digits as its factorization.

12064681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 12064681 is about 3473.4249668015. The cubic root of 12064681 is about 229.3534520069.

The spelling of 12064681 in words is "twelve million, sixty-four thousand, six hundred eighty-one".