11169897 has 4 divisors (see below), whose sum is σ = 14893200. Its totient is φ = 7446596.

The previous prime is 11169887. The next prime is 11169911. The reversal of 11169897 is 79896111.

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 a de Polignac number, because none of the positive numbers 2^k-11169897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11169857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1861647 + ... + 1861652.

It is an arithmetic number, because the mean of its divisors is an integer number (3723300).

Almost surely, 2^11169897 is an apocalyptic number.

It is an amenable number.

11169897 is a deficient number, since it is larger than the sum of its proper divisors (3723303).

11169897 is an equidigital number, since it uses as much as digits as its factorization.

11169897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3723302.

The product of its digits is 27216, while the sum is 42.

The square root of 11169897 is about 3342.1395841586. The cubic root of 11169897 is about 223.5371568130.

The spelling of 11169897 in words is "eleven million, one hundred sixty-nine thousand, eight hundred ninety-seven".