12059878 has 4 divisors (see below), whose sum is σ = 18089820. Its totient is φ = 6029938.

The previous prime is 12059867. The next prime is 12059893. The reversal of 12059878 is 87895021.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 12059878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3014968 + ... + 3014971.

It is an arithmetic number, because the mean of its divisors is an integer number (4522455).

Almost surely, 2^12059878 is an apocalyptic number.

12059878 is a deficient number, since it is larger than the sum of its proper divisors (6029942).

12059878 is an equidigital number, since it uses as much as digits as its factorization.

12059878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6029941.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 12059878 is about 3472.7335054680. The cubic root of 12059878 is about 229.3230124442.

The spelling of 12059878 in words is "twelve million, fifty-nine thousand, eight hundred seventy-eight".