12042688 has 28 divisors (see below), whose sum is σ = 27312112. Its totient is φ = 5160960.

The previous prime is 12042683. The next prime is 12042691. The reversal of 12042688 is 88624021.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042683) 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, 12993 + ... + 13888.

Almost surely, 2^12042688 is an apocalyptic number.

It is an amenable number.

12042688 is an abundant number, since it is smaller than the sum of its proper divisors (15269424).

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

12042688 is an equidigital number, since it uses as much as digits as its factorization.

12042688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26900 (or 26890 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 12042688 is about 3470.2576273239. The cubic root of 12042688 is about 229.2140025781.

The spelling of 12042688 in words is "twelve million, forty-two thousand, six hundred eighty-eight".