11489536 has 36 divisors (see below), whose sum is σ = 23573452. Its totient is φ = 5584896.

The previous prime is 11489531. The next prime is 11489537. The reversal of 11489536 is 63598411.

It can be written as a sum of positive squares in 2 ways, for example, as 5017600 + 6471936 = 2240^2 + 2544^2 .

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 = 11489495 and 11489504.

It is not an unprimeable number, because it can be changed into a prime (11489531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8866 + ... + 10078.

Almost surely, 2^11489536 is an apocalyptic number.

11489536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11489536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11786726).

11489536 is an abundant number, since it is smaller than the sum of its proper divisors (12083916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11489536 is an equidigital number, since it uses as much as digits as its factorization.

11489536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266 (or 1252 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 11489536 is about 3389.6218078128. The cubic root of 11489536 is about 225.6493897867.

The spelling of 11489536 in words is "eleven million, four hundred eighty-nine thousand, five hundred thirty-six".