12684041 has 2 divisors, whose sum is σ = 12684042. Its totient is φ = 12684040.

The previous prime is 12684037. The next prime is 12684043. The reversal of 12684041 is 14048621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6943225 + 5740816 = 2635^2 + 2396^2 .

It is an emirp because it is prime and its reverse (14048621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12684041 - 2² = 12684037 is a prime.

Together with 12684043, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12684041.

It is not a weakly prime, because it can be changed into another prime (12684043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6342020 + 6342021.

It is an arithmetic number, because the mean of its divisors is an integer number (6342021).

Almost surely, 2^12684041 is an apocalyptic number.

It is an amenable number.

12684041 is a deficient number, since it is larger than the sum of its proper divisors (1).

12684041 is an equidigital number, since it uses as much as digits as its factorization.

12684041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 12684041 is about 3561.4661306827. The cubic root of 12684041 is about 233.2128872699.

The spelling of 12684041 in words is "twelve million, six hundred eighty-four thousand, forty-one".