11099709 has 6 divisors (see below), whose sum is σ = 16032926. Its totient is φ = 7399800.

The previous prime is 11099707. The next prime is 11099713. The reversal of 11099709 is 90799011.

It can be written as a sum of positive squares in only one way, i.e., 9474084 + 1625625 = 3078^2 + 1275^2 .

It is not a de Polignac number, because 11099709 - 2¹ = 11099707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11099707) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 616642 + ... + 616659.

Almost surely, 2^11099709 is an apocalyptic number.

It is an amenable number.

11099709 is a deficient number, since it is larger than the sum of its proper divisors (4933217).

11099709 is a wasteful number, since it uses less digits than its factorization.

11099709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233307 (or 1233304 counting only the distinct ones).

The product of its (nonzero) digits is 5103, while the sum is 36.

The square root of 11099709 is about 3331.6225776639. The cubic root of 11099709 is about 223.0679610809.

The spelling of 11099709 in words is "eleven million, ninety-nine thousand, seven hundred nine".