11646043 has 2 divisors, whose sum is σ = 11646044. Its totient is φ = 11646042.

The previous prime is 11646001. The next prime is 11646067. The reversal of 11646043 is 34064611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11646043 - 2¹³ = 11637851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11645999 and 11646017.

It is not a weakly prime, because it can be changed into another prime (11646143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5823021 + 5823022.

It is an arithmetic number, because the mean of its divisors is an integer number (5823022).

Almost surely, 2^11646043 is an apocalyptic number.

11646043 is a deficient number, since it is larger than the sum of its proper divisors (1).

11646043 is an equidigital number, since it uses as much as digits as its factorization.

11646043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 11646043 is about 3412.6299242666. The cubic root of 11646043 is about 226.6693485361.

The spelling of 11646043 in words is "eleven million, six hundred forty-six thousand, forty-three".