12078042 has 16 divisors (see below), whose sum is σ = 24191040. Its totient is φ = 4020192.

The previous prime is 12078019. The next prime is 12078043. The reversal of 12078042 is 24087021.

It is not an unprimeable number, because it can be changed into a prime (12078043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5883 + ... + 7665.

It is an arithmetic number, because the mean of its divisors is an integer number (1511940).

Almost surely, 2^12078042 is an apocalyptic number.

12078042 is an abundant number, since it is smaller than the sum of its proper divisors (12112998).

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

12078042 is a wasteful number, since it uses less digits than its factorization.

12078042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2917.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 12078042 is about 3475.3477523839. The cubic root of 12078042 is about 229.4380864024.

The spelling of 12078042 in words is "twelve million, seventy-eight thousand, forty-two".