12015078 has 16 divisors (see below), whose sum is σ = 24068016. Its totient is φ = 3998720.

The previous prime is 12015071. The next prime is 12015079. The reversal of 12015078 is 87051021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12015071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4150 + ... + 6422.

It is an arithmetic number, because the mean of its divisors is an integer number (1504251).

Almost surely, 2^12015078 is an apocalyptic number.

12015078 is an abundant number, since it is smaller than the sum of its proper divisors (12052938).

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

12015078 is a wasteful number, since it uses less digits than its factorization.

12015078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159.

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 12015078 is about 3466.2772537695. The cubic root of 12015078 is about 229.0386972736.

Adding to 12015078 its reverse (87051021), we get a palindrome (99066099).

The spelling of 12015078 in words is "twelve million, fifteen thousand, seventy-eight".