11689600 has 96 divisors (see below), whose sum is σ = 31208940. Its totient is φ = 4300800.

The previous prime is 11689597. The next prime is 11689609. The reversal of 11689600 is 698611.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3069504 + 8620096 = 1752^2 + 2936^2 .

It is not an unprimeable number, because it can be changed into a prime (11689609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41460 + ... + 41740.

Almost surely, 2^11689600 is an apocalyptic number.

11689600 is a gapful number since it is divisible by the number (10) 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 11689600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15604470).

11689600 is an abundant number, since it is smaller than the sum of its proper divisors (19519340).

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

11689600 is a wasteful number, since it uses less digits than its factorization.

11689600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 11689600 is about 3419.0057034173. The cubic root of 11689600 is about 226.9515832750.

The spelling of 11689600 in words is "eleven million, six hundred eighty-nine thousand, six hundred".