12086219 has 4 divisors (see below), whose sum is σ = 12121200. Its totient is φ = 12051240.

The previous prime is 12086203. The next prime is 12086227. The reversal of 12086219 is 91268021.

12086219 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12086219 - 2⁴ = 12086203 is a prime.

It is a super-2 number, since 2×12086219² = 292153379431922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12086191 and 12086200.

It is not an unprimeable number, because it can be changed into a prime (12086119) 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, 16967 + ... + 17664.

It is an arithmetic number, because the mean of its divisors is an integer number (3030300).

Almost surely, 2^12086219 is an apocalyptic number.

12086219 is a deficient number, since it is larger than the sum of its proper divisors (34981).

12086219 is an equidigital number, since it uses as much as digits as its factorization.

12086219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34980.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 12086219 is about 3476.5239823709. The cubic root of 12086219 is about 229.4898522987.

The spelling of 12086219 in words is "twelve million, eighty-six thousand, two hundred nineteen".