11004309 has 8 divisors (see below), whose sum is σ = 16302720. Its totient is φ = 7336188.

The previous prime is 11004307. The next prime is 11004317. The reversal of 11004309 is 90340011.

It is not a de Polignac number, because 11004309 - 2¹ = 11004307 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11004291 and 11004300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11004307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203757 + ... + 203810.

It is an arithmetic number, because the mean of its divisors is an integer number (2037840).

Almost surely, 2^11004309 is an apocalyptic number.

It is an amenable number.

11004309 is a deficient number, since it is larger than the sum of its proper divisors (5298411).

11004309 is an equidigital number, since it uses as much as digits as its factorization.

11004309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407576 (or 407570 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 11004309 is about 3317.2743329426. The cubic root of 11004309 is about 222.4270450544.

The spelling of 11004309 in words is "eleven million, four thousand, three hundred nine".