11009297 has 4 divisors (see below), whose sum is σ = 11856180. Its totient is φ = 10162416.

The previous prime is 11009293. The next prime is 11009321. The reversal of 11009297 is 79290011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6031936 + 4977361 = 2456^2 + 2231^2 .

It is a cyclic number.

It is not a de Polignac number, because 11009297 - 2² = 11009293 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11009293) 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, 423422 + ... + 423447.

It is an arithmetic number, because the mean of its divisors is an integer number (2964045).

Almost surely, 2^11009297 is an apocalyptic number.

It is an amenable number.

11009297 is a deficient number, since it is larger than the sum of its proper divisors (846883).

11009297 is an equidigital number, since it uses as much as digits as its factorization.

11009297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846882.

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 11009297 is about 3318.0260698192. The cubic root of 11009297 is about 222.4606469980.

The spelling of 11009297 in words is "eleven million, nine thousand, two hundred ninety-seven".