12878223 has 8 divisors (see below), whose sum is σ = 17589936. Its totient is φ = 8376000.

The previous prime is 12878213. The next prime is 12878227. The reversal of 12878223 is 32287821.

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

It is not a de Polignac number, because 12878223 - 2¹³ = 12870031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12878227) 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, 52228 + ... + 52473.

It is an arithmetic number, because the mean of its divisors is an integer number (2198742).

Almost surely, 2^12878223 is an apocalyptic number.

12878223 is a deficient number, since it is larger than the sum of its proper divisors (4711713).

12878223 is a wasteful number, since it uses less digits than its factorization.

12878223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104745.

The product of its digits is 10752, while the sum is 33.

The square root of 12878223 is about 3588.6241095997. The cubic root of 12878223 is about 234.3969629907.

The spelling of 12878223 in words is "twelve million, eight hundred seventy-eight thousand, two hundred twenty-three".