11248909 has 16 divisors (see below), whose sum is σ = 13559040. Its totient is φ = 9123840.

The previous prime is 11248901. The next prime is 11248921. The reversal of 11248909 is 90984211.

11248909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11248909 - 2³ = 11248901 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 (11248901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17229 + ... + 17869.

It is an arithmetic number, because the mean of its divisors is an integer number (847440).

Almost surely, 2^11248909 is an apocalyptic number.

It is an amenable number.

11248909 is a deficient number, since it is larger than the sum of its proper divisors (2310131).

11248909 is a wasteful number, since it uses less digits than its factorization.

11248909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 11248909 is about 3353.9393256289. The cubic root of 11248909 is about 224.0629938158.

The spelling of 11248909 in words is "eleven million, two hundred forty-eight thousand, nine hundred nine".