11200297 has 4 divisors (see below), whose sum is σ = 11859156. Its totient is φ = 10541440.

The previous prime is 11200279. The next prime is 11200303. The reversal of 11200297 is 79200211.

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 9709456 + 1490841 = 3116^2 + 1221^2 .

It is a cyclic number.

It is not a de Polignac number, because 11200297 - 2¹¹ = 11198249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11200237) 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, 329404 + ... + 329437.

It is an arithmetic number, because the mean of its divisors is an integer number (2964789).

Almost surely, 2^11200297 is an apocalyptic number.

11200297 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11200297 is a deficient number, since it is larger than the sum of its proper divisors (658859).

11200297 is an equidigital number, since it uses as much as digits as its factorization.

11200297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658858.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 11200297 is about 3346.6844787043. The cubic root of 11200297 is about 223.7397660810.

The spelling of 11200297 in words is "eleven million, two hundred thousand, two hundred ninety-seven".