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12906241 is a prime number
BaseRepresentation
bin110001001110…
…111100000001
3220021201000221
4301032330001
511300444431
61140343041
7214462345
oct61167401
926251027
1012906241
117315717
1243a4a81
13289b63a
1419dd625
1511ee111
hexc4ef01

12906241 has 2 divisors, whose sum is σ = 12906242. Its totient is φ = 12906240.

The previous prime is 12906221. The next prime is 12906253. The reversal of 12906241 is 14260921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10265616 + 2640625 = 3204^2 + 1625^2 .

It is a cyclic number.

It is not a de Polignac number, because 12906241 - 211 = 12904193 is a prime.

It is a zygodrome in base 15.

It is not a weakly prime, because it can be changed into another prime (12906221) 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, 6453120 + 6453121.

It is an arithmetic number, because the mean of its divisors is an integer number (6453121).

Almost surely, 212906241 is an apocalyptic number.

It is an amenable number.

12906241 is a deficient number, since it is larger than the sum of its proper divisors (1).

12906241 is an equidigital number, since it uses as much as digits as its factorization.

12906241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 12906241 is about 3592.5257131996. The cubic root of 12906241 is about 234.5668253804.

The spelling of 12906241 in words is "twelve million, nine hundred six thousand, two hundred forty-one".