11699688 has 128 divisors (see below), whose sum is σ = 39352320. Its totient is φ = 2799360.

The previous prime is 11699683. The next prime is 11699693. The reversal of 11699688 is 88699611.

It is an interprime number because it is at equal distance from previous prime (11699683) and next prime (11699693).

It is not an unprimeable number, because it can be changed into a prime (11699683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23781 + ... + 24267.

It is an arithmetic number, because the mean of its divisors is an integer number (307440).

Almost surely, 2^11699688 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 11699688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19676160).

11699688 is an abundant number, since it is smaller than the sum of its proper divisors (27652632).

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

11699688 is a wasteful number, since it uses less digits than its factorization.

11699688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527 (or 523 counting only the distinct ones).

The product of its digits is 186624, while the sum is 48.

The square root of 11699688 is about 3420.4806679764. The cubic root of 11699688 is about 227.0168501015.

The spelling of 11699688 in words is "eleven million, six hundred ninety-nine thousand, six hundred eighty-eight".