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12705041 is a prime number
BaseRepresentation
bin110000011101…
…110100010001
3212220111001002
4300131310101
511223030131
61132151345
7212663636
oct60356421
925814032
1012705041
117198538
124308555
13282ab9b
14198a18d
1511ae6cb
hexc1dd11

12705041 has 2 divisors, whose sum is σ = 12705042. Its totient is φ = 12705040.

The previous prime is 12705031. The next prime is 12705061. The reversal of 12705041 is 14050721.

12705041 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (12705061) can be obtained adding 12705041 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12222016 + 483025 = 3496^2 + 695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12705041 is a prime.

It is a super-2 number, since 2×127050412 = 322836133623362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12705031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6352520 + 6352521.

It is an arithmetic number, because the mean of its divisors is an integer number (6352521).

Almost surely, 212705041 is an apocalyptic number.

It is an amenable number.

12705041 is a deficient number, since it is larger than the sum of its proper divisors (1).

12705041 is an equidigital number, since it uses as much as digits as its factorization.

12705041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 12705041 is about 3564.4131354264. The cubic root of 12705041 is about 233.3415205744.

Adding to 12705041 its reverse (14050721), we get a palindrome (26755762).

The spelling of 12705041 in words is "twelve million, seven hundred five thousand, forty-one".