11646941 has 2 divisors, whose sum is σ = 11646942. Its totient is φ = 11646940.

The previous prime is 11646923. The next prime is 11646953. The reversal of 11646941 is 14964611.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7562500 + 4084441 = 2750^2 + 2021^2 .

It is an emirp because it is prime and its reverse (14964611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11646941 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11646898 and 11646907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11646961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5823470 + 5823471.

It is an arithmetic number, because the mean of its divisors is an integer number (5823471).

Almost surely, 2^11646941 is an apocalyptic number.

It is an amenable number.

11646941 is a deficient number, since it is larger than the sum of its proper divisors (1).

11646941 is an equidigital number, since it uses as much as digits as its factorization.

11646941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 32.

The square root of 11646941 is about 3412.7614918128. The cubic root of 11646941 is about 226.6751743731.

The spelling of 11646941 in words is "eleven million, six hundred forty-six thousand, nine hundred forty-one".