12819219 has 8 divisors (see below), whose sum is σ = 19534080. Its totient is φ = 7325256.

The previous prime is 12819197. The next prime is 12819329. The reversal of 12819219 is 91291821.

12819219 is digitally balanced in base 2 and base 8, because in such bases 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 a de Polignac number, because 12819219 - 2¹⁵ = 12786451 is a prime.

It is a super-2 number, since 2×12819219² = 328664751539922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

12819219 is strictly pandigital in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 12819219.

It is not an unprimeable number, because it can be changed into a prime (12819419) 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, 305199 + ... + 305240.

It is an arithmetic number, because the mean of its divisors is an integer number (2441760).

Almost surely, 2^12819219 is an apocalyptic number.

12819219 is a deficient number, since it is larger than the sum of its proper divisors (6714861).

12819219 is an equidigital number, since it uses as much as digits as its factorization.

12819219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610449.

The product of its digits is 2592, while the sum is 33.

The square root of 12819219 is about 3580.3936934365. The cubic root of 12819219 is about 234.0384369616.

The spelling of 12819219 in words is "twelve million, eight hundred nineteen thousand, two hundred nineteen".