11597056 has 36 divisors (see below), whose sum is σ = 23454900. Its totient is φ = 5722112.

The previous prime is 11597051. The next prime is 11597093. The reversal of 11597056 is 65079511.

It can be written as a sum of positive squares in 2 ways, for example, as 5837056 + 5760000 = 2416^2 + 2400^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11597051) 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, 22530 + ... + 23038.

It is an arithmetic number, because the mean of its divisors is an integer number (651525).

Almost surely, 2^11597056 is an apocalyptic number.

11597056 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 11597056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11727450).

11597056 is an abundant number, since it is smaller than the sum of its proper divisors (11857844).

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

11597056 is an frugal number, since it uses more digits than its factorization.

11597056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 11597056 is about 3405.4450516783. The cubic root of 11597056 is about 226.3510871704.

The spelling of 11597056 in words is "eleven million, five hundred ninety-seven thousand, fifty-six".