12878259 has 8 divisors (see below), whose sum is σ = 17452752. Its totient is φ = 8444640.

The previous prime is 12878227. The next prime is 12878267. The reversal of 12878259 is 95287821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12878259 - 2⁵ = 12878227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12878259.

It is not an unprimeable number, because it can be changed into a prime (12870259) 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, 35004 + ... + 35369.

It is an arithmetic number, because the mean of its divisors is an integer number (2181594).

Almost surely, 2^12878259 is an apocalyptic number.

12878259 is a deficient number, since it is larger than the sum of its proper divisors (4574493).

12878259 is an equidigital number, since it uses as much as digits as its factorization.

12878259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70437.

The product of its digits is 80640, while the sum is 42.

The square root of 12878259 is about 3588.6291254461. The cubic root of 12878259 is about 234.3971814029.

It can be divided in two parts, 128 and 78259, that added together give a palindrome (78387).

The spelling of 12878259 in words is "twelve million, eight hundred seventy-eight thousand, two hundred fifty-nine".