11709443 has 2 divisors, whose sum is σ = 11709444. Its totient is φ = 11709442.

The previous prime is 11709421. The next prime is 11709469. The reversal of 11709443 is 34490711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11709443 - 2¹⁰ = 11708419 is a prime.

It is a super-2 number, since 2×11709443² = 274222110740498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11700443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5854721 + 5854722.

It is an arithmetic number, because the mean of its divisors is an integer number (5854722).

Almost surely, 2^11709443 is an apocalyptic number.

11709443 is a deficient number, since it is larger than the sum of its proper divisors (1).

11709443 is an equidigital number, since it uses as much as digits as its factorization.

11709443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 11709443 is about 3421.9063400391. The cubic root of 11709443 is about 227.0799268312.

The spelling of 11709443 in words is "eleven million, seven hundred nine thousand, four hundred forty-three".