11296409 has 4 divisors (see below), whose sum is σ = 11308800. Its totient is φ = 11284020.

The previous prime is 11296387. The next prime is 11296421. The reversal of 11296409 is 90469211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90469211 = 7 ⋅12924173.

It is a cyclic number.

It is not a de Polignac number, because 11296409 - 2¹² = 11292313 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11296429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4709 + ... + 6690.

It is an arithmetic number, because the mean of its divisors is an integer number (2827200).

Almost surely, 2^11296409 is an apocalyptic number.

It is an amenable number.

11296409 is a deficient number, since it is larger than the sum of its proper divisors (12391).

11296409 is an equidigital number, since it uses as much as digits as its factorization.

11296409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12390.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 11296409 is about 3361.0130913164. The cubic root of 11296409 is about 224.3779294471.

The spelling of 11296409 in words is "eleven million, two hundred ninety-six thousand, four hundred nine".