12013219 has 2 divisors, whose sum is σ = 12013220. Its totient is φ = 12013218.

The previous prime is 12013207. The next prime is 12013223. The reversal of 12013219 is 91231021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12013219 - 2⁷ = 12013091 is a prime.

It is a super-2 number, since 2×12013219² = 288634861483922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12013196 and 12013205.

It is not a weakly prime, because it can be changed into another prime (12013229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006609 + 6006610.

It is an arithmetic number, because the mean of its divisors is an integer number (6006610).

Almost surely, 2^12013219 is an apocalyptic number.

12013219 is a deficient number, since it is larger than the sum of its proper divisors (1).

12013219 is an equidigital number, since it uses as much as digits as its factorization.

12013219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 12013219 is about 3466.0090882743. The cubic root of 12013219 is about 229.0268842028.

The spelling of 12013219 in words is "twelve million, thirteen thousand, two hundred nineteen".