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12818941 is a prime number
BaseRepresentation
bin110000111001…
…100111111101
3220010021021121
4300321213331
511240201231
61134430541
7213650002
oct60714775
926107247
1012818941
117266073
124362451
13286a995
1419b98a9
1511d3311
hexc399fd

12818941 has 2 divisors, whose sum is σ = 12818942. Its totient is φ = 12818940.

The previous prime is 12818933. The next prime is 12818959. The reversal of 12818941 is 14981821.

12818941 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., 11758041 + 1060900 = 3429^2 + 1030^2 .

It is an emirp because it is prime and its reverse (14981821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12818941 - 23 = 12818933 is a prime.

It is a super-2 number, since 2×128189412 = 328650496722962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12818897 and 12818906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12818341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6409470 + 6409471.

It is an arithmetic number, because the mean of its divisors is an integer number (6409471).

Almost surely, 212818941 is an apocalyptic number.

It is an amenable number.

12818941 is a deficient number, since it is larger than the sum of its proper divisors (1).

12818941 is an equidigital number, since it uses as much as digits as its factorization.

12818941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 34.

The square root of 12818941 is about 3580.3548706797. The cubic root of 12818941 is about 234.0367451488.

The spelling of 12818941 in words is "twelve million, eight hundred eighteen thousand, nine hundred forty-one".