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12981341 is a prime number
BaseRepresentation
bin110001100001…
…010001011101
3220102112001102
4301201101131
511310400331
61142122445
7215224322
oct61412135
926375042
1012981341
11736708a
124420425
1328c6889
141a1cb49
1512164cb
hexc6145d

12981341 has 2 divisors, whose sum is σ = 12981342. Its totient is φ = 12981340.

The previous prime is 12981337. The next prime is 12981377. The reversal of 12981341 is 14318921.

12981341 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10272025 + 2709316 = 3205^2 + 1646^2 .

It is an emirp because it is prime and its reverse (14318921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12981341 - 22 = 12981337 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12981301) 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, 6490670 + 6490671.

It is an arithmetic number, because the mean of its divisors is an integer number (6490671).

Almost surely, 212981341 is an apocalyptic number.

It is an amenable number.

12981341 is a deficient number, since it is larger than the sum of its proper divisors (1).

12981341 is an equidigital number, since it uses as much as digits as its factorization.

12981341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 29.

The square root of 12981341 is about 3602.9628085785. The cubic root of 12981341 is about 235.0209186147.

The spelling of 12981341 in words is "twelve million, nine hundred eighty-one thousand, three hundred forty-one".