11689088 has 64 divisors (see below), whose sum is σ = 24969600. Its totient is φ = 5440512.

The previous prime is 11689087. The next prime is 11689099. The reversal of 11689088 is 88098611.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (11689087) 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, 174431 + ... + 174497.

It is an arithmetic number, because the mean of its divisors is an integer number (390150).

Almost surely, 2^11689088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11689088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12484800).

11689088 is an abundant number, since it is smaller than the sum of its proper divisors (13280512).

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

11689088 is an equidigital number, since it uses as much as digits as its factorization.

11689088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 41.

The square root of 11689088 is about 3418.9308270277. The cubic root of 11689088 is about 226.9482697625.

The spelling of 11689088 in words is "eleven million, six hundred eighty-nine thousand, eighty-eight".