11248409 has 8 divisors (see below), whose sum is σ = 11581920. Its totient is φ = 10919776.

The previous prime is 11248331. The next prime is 11248417. The reversal of 11248409 is 90484211.

11248409 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11248409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11248609) 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, 3749 + ... + 6045.

It is an arithmetic number, because the mean of its divisors is an integer number (1447740).

Almost surely, 2^11248409 is an apocalyptic number.

It is an amenable number.

11248409 is a deficient number, since it is larger than the sum of its proper divisors (333511).

11248409 is an equidigital number, since it uses as much as digits as its factorization.

11248409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2439.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 11248409 is about 3353.8647855869. The cubic root of 11248409 is about 224.0596739929.

The spelling of 11248409 in words is "eleven million, two hundred forty-eight thousand, four hundred nine".