10994209 has 2 divisors, whose sum is σ = 10994210. Its totient is φ = 10994208.

The previous prime is 10994201. The next prime is 10994261. The reversal of 10994209 is 90249901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5832225 + 5161984 = 2415^2 + 2272^2 .

It is a cyclic number.

It is not a de Polignac number, because 10994209 - 2³ = 10994201 is a prime.

It is not a weakly prime, because it can be changed into another prime (10994201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5497104 + 5497105.

It is an arithmetic number, because the mean of its divisors is an integer number (5497105).

Almost surely, 2^10994209 is an apocalyptic number.

It is an amenable number.

10994209 is a deficient number, since it is larger than the sum of its proper divisors (1).

10994209 is an equidigital number, since it uses as much as digits as its factorization.

10994209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 10994209 is about 3315.7516493248. The cubic root of 10994209 is about 222.3589747253.

The spelling of 10994209 in words is "ten million, nine hundred ninety-four thousand, two hundred nine".