11688142 has 8 divisors (see below), whose sum is σ = 17550000. Its totient is φ = 5838144.

The previous prime is 11688139. The next prime is 11688151. The reversal of 11688142 is 24188611.

11688142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11688142² = 273225326824328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159 + ... + 4837.

It is an arithmetic number, because the mean of its divisors is an integer number (2193750).

Almost surely, 2^11688142 is an apocalyptic number.

11688142 is a deficient number, since it is larger than the sum of its proper divisors (5861858).

11688142 is a wasteful number, since it uses less digits than its factorization.

11688142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5930.

The product of its digits is 3072, while the sum is 31.

The square root of 11688142 is about 3418.7924768842. The cubic root of 11688142 is about 226.9421472758.

The spelling of 11688142 in words is "eleven million, six hundred eighty-eight thousand, one hundred forty-two".