11268309 has 8 divisors (see below), whose sum is σ = 16180192. Its totient is φ = 6934320.

The previous prime is 11268287. The next prime is 11268319. The reversal of 11268309 is 90386211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11268309 - 2⁹ = 11267797 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 (11268319) 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, 144427 + ... + 144504.

It is an arithmetic number, because the mean of its divisors is an integer number (2022524).

Almost surely, 2^11268309 is an apocalyptic number.

It is an amenable number.

11268309 is a deficient number, since it is larger than the sum of its proper divisors (4911883).

11268309 is a wasteful number, since it uses less digits than its factorization.

11268309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288947.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 11268309 is about 3356.8302012464. The cubic root of 11268309 is about 224.1917270589.

The spelling of 11268309 in words is "eleven million, two hundred sixty-eight thousand, three hundred nine".