11097217 has 4 divisors (see below), whose sum is σ = 11333376. Its totient is φ = 10861060.

The previous prime is 11097211. The next prime is 11097221. The reversal of 11097217 is 71279011.

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.

It is a cyclic number.

It is not a de Polignac number, because 11097217 - 2⁷ = 11097089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11097211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118009 + ... + 118102.

It is an arithmetic number, because the mean of its divisors is an integer number (2833344).

Almost surely, 2^11097217 is an apocalyptic number.

It is an amenable number.

11097217 is a deficient number, since it is larger than the sum of its proper divisors (236159).

11097217 is an equidigital number, since it uses as much as digits as its factorization.

11097217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236158.

The product of its (nonzero) digits is 882, while the sum is 28.

The square root of 11097217 is about 3331.2485647276. The cubic root of 11097217 is about 223.0512661397.

The spelling of 11097217 in words is "eleven million, ninety-seven thousand, two hundred seventeen".