12013019 has 2 divisors, whose sum is σ = 12013020. Its totient is φ = 12013018.

The previous prime is 12013013. The next prime is 12013021. The reversal of 12013019 is 91031021.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (91031021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12013019 - 2¹⁶ = 11947483 is a prime.

It is a super-2 number, since 2×12013019² = 288625250988722, which contains 22 as substring.

Together with 12013021, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12012988 and 12013006.

It is not a weakly prime, because it can be changed into another prime (12013013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006509 + 6006510.

It is an arithmetic number, because the mean of its divisors is an integer number (6006510).

Almost surely, 2^12013019 is an apocalyptic number.

12013019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12013019 is an equidigital number, since it uses as much as digits as its factorization.

12013019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 12013019 is about 3465.9802365276. The cubic root of 12013019 is about 229.0256132243.

The spelling of 12013019 in words is "twelve million, thirteen thousand, nineteen".