11289736 has 32 divisors (see below), whose sum is σ = 22271040. Its totient is φ = 5358528.

The previous prime is 11289731. The next prime is 11289769. The reversal of 11289736 is 63798211.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 11289695 and 11289704.

It is not an unprimeable number, because it can be changed into a prime (11289731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12285 + ... + 13171.

It is an arithmetic number, because the mean of its divisors is an integer number (695970).

Almost surely, 2^11289736 is an apocalyptic number.

It is an amenable number.

11289736 is a deficient number, since it is larger than the sum of its proper divisors (10981304).

11289736 is a wasteful number, since it uses less digits than its factorization.

11289736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973 (or 969 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 11289736 is about 3360.0202380343. The cubic root of 11289736 is about 224.3337393320. Note that the first 3 decimals are identical.

The spelling of 11289736 in words is "eleven million, two hundred eighty-nine thousand, seven hundred thirty-six".