12519019 has 2 divisors, whose sum is σ = 12519020. Its totient is φ = 12519018.

The previous prime is 12518959. The next prime is 12519029. The reversal of 12519019 is 91091521.

12519019 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12519019 - 2¹¹ = 12516971 is a prime.

It is a super-2 number, since 2×12519019² = 313451673444722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12519029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6259509 + 6259510.

It is an arithmetic number, because the mean of its divisors is an integer number (6259510).

Almost surely, 2^12519019 is an apocalyptic number.

12519019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12519019 is an equidigital number, since it uses as much as digits as its factorization.

12519019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 28.

The square root of 12519019 is about 3538.2225763793. Note that the first 3 decimals coincide. The cubic root of 12519019 is about 232.1970865385.

The spelling of 12519019 in words is "twelve million, five hundred nineteen thousand, nineteen".