11299289 has 4 divisors (see below), whose sum is σ = 11329956. Its totient is φ = 11268624.

The previous prime is 11299247. The next prime is 11299363. The reversal of 11299289 is 98299211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98299211 = 3169 ⋅31019.

It can be written as a sum of positive squares in 2 ways, for example, as 5442889 + 5856400 = 2333^2 + 2420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11299289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11299489) 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, 14774 + ... + 15519.

It is an arithmetic number, because the mean of its divisors is an integer number (2832489).

Almost surely, 2^11299289 is an apocalyptic number.

It is an amenable number.

11299289 is a deficient number, since it is larger than the sum of its proper divisors (30667).

11299289 is an equidigital number, since it uses as much as digits as its factorization.

11299289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30666.

The product of its digits is 23328, while the sum is 41.

The square root of 11299289 is about 3361.4415062589. The cubic root of 11299289 is about 224.3969960823.

The spelling of 11299289 in words is "eleven million, two hundred ninety-nine thousand, two hundred eighty-nine".