12025978 has 8 divisors (see below), whose sum is σ = 18077472. Its totient is φ = 6000156.

The previous prime is 12025973. The next prime is 12025991. The reversal of 12025978 is 87952021.

12025978 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 not an unprimeable number, because it can be changed into a prime (12025973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5200 + ... + 7147.

It is an arithmetic number, because the mean of its divisors is an integer number (2259684).

Almost surely, 2^12025978 is an apocalyptic number.

12025978 is a deficient number, since it is larger than the sum of its proper divisors (6051494).

12025978 is a wasteful number, since it uses less digits than its factorization.

12025978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12836.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 12025978 is about 3467.8491893391. The cubic root of 12025978 is about 229.1079371414.

Adding to 12025978 its reverse (87952021), we get a palindrome (99977999).

The spelling of 12025978 in words is "twelve million, twenty-five thousand, nine hundred seventy-eight".