9996211 has 2 divisors, whose sum is σ = 9996212.
Its totient is φ = 9996210.
The previous prime is 9996209. The next prime is 9996241. The reversal of 9996211 is 1126999.
9996211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is an emirp because it is prime and its reverse (1126999) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 9996211 - 21 = 9996209 is a prime.
Together with 9996209, it forms a pair of twin primes.
It is a nialpdrome in base 10.
It is not a weakly prime, because it can be changed into another prime (9996241) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4998105 + 4998106.
It is an arithmetic number, because the mean of its divisors is an integer number (4998106).
Almost surely, 29996211 is an apocalyptic number.
9996211 is a deficient number, since it is larger than the sum of its proper divisors (1).
9996211 is an equidigital number, since it uses as much as digits as its factorization.
9996211 is an evil number, because the sum of its binary digits is even.
The product of its digits is 8748, while the sum is 37.
The square root of 9996211 is about 3161.6785099058.
The cubic root of 9996211 is about 215.4162550556.
The spelling of 9996211 in words is "nine million, nine hundred ninety-six thousand, two hundred eleven".