11289743 has 8 divisors (see below), whose sum is σ = 12028800. Its totient is φ = 10565208.

The previous prime is 11289731. The next prime is 11289769. The reversal of 11289743 is 34798211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11289743 - 2¹² = 11285647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11289793) 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 7 ways as a sum of consecutive naturals, for example, 2003 + ... + 5156.

It is an arithmetic number, because the mean of its divisors is an integer number (1503600).

Almost surely, 2^11289743 is an apocalyptic number.

11289743 is a deficient number, since it is larger than the sum of its proper divisors (739057).

11289743 is an equidigital number, since it uses as much as digits as its factorization.

11289743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7261.

The product of its digits is 12096, while the sum is 35.

The square root of 11289743 is about 3360.0212796945. The cubic root of 11289743 is about 224.3337856967. Note that the first 3 decimals are identical.

The spelling of 11289743 in words is "eleven million, two hundred eighty-nine thousand, seven hundred forty-three".