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12705061 is a prime number
BaseRepresentation
bin110000011101…
…110100100101
3212220111001211
4300131310211
511223030221
61132151421
7212663665
oct60356445
925814054
1012705061
117198556
124308571
13282abb5
14198a1a5
1511ae6e1
hexc1dd25

12705061 has 2 divisors, whose sum is σ = 12705062. Its totient is φ = 12705060.

The previous prime is 12705041. The next prime is 12705067. The reversal of 12705061 is 16050721.

12705061 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., 12208036 + 497025 = 3494^2 + 705^2 .

It is a cyclic number.

It is not a de Polignac number, because 12705061 - 211 = 12703013 is a prime.

It is a super-2 number, since 2×127050612 = 322837150027442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12705067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6352530 + 6352531.

It is an arithmetic number, because the mean of its divisors is an integer number (6352531).

Almost surely, 212705061 is an apocalyptic number.

It is an amenable number.

12705061 is a deficient number, since it is larger than the sum of its proper divisors (1).

12705061 is an equidigital number, since it uses as much as digits as its factorization.

12705061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 12705061 is about 3564.4159409362. The cubic root of 12705061 is about 233.3416430147.

Adding to 12705061 its reverse (16050721), we get a palindrome (28755782).

The spelling of 12705061 in words is "twelve million, seven hundred five thousand, sixty-one".