11688492 has 12 divisors (see below), whose sum is σ = 27273176. Its totient is φ = 3896160.

The previous prime is 11688473. The next prime is 11688499. The reversal of 11688492 is 29488611.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 11688492.

It is not an unprimeable number, because it can be changed into a prime (11688499) 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 3 ways as a sum of consecutive naturals, for example, 487009 + ... + 487032.

Almost surely, 2^11688492 is an apocalyptic number.

11688492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11688492 is an abundant number, since it is smaller than the sum of its proper divisors (15584684).

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

11688492 is a wasteful number, since it uses less digits than its factorization.

11688492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974048 (or 974046 counting only the distinct ones).

The product of its digits is 27648, while the sum is 39.

The square root of 11688492 is about 3418.8436641648. The cubic root of 11688492 is about 226.9444125049.

The spelling of 11688492 in words is "eleven million, six hundred eighty-eight thousand, four hundred ninety-two".