12903019 has 2 divisors, whose sum is σ = 12903020. Its totient is φ = 12903018.

The previous prime is 12903013. The next prime is 12903029. The reversal of 12903019 is 91030921.

12903019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (91030921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12903019 - 2⁷ = 12902891 is a prime.

It is a super-2 number, since 2×12903019² = 332975798628722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12902984 and 12903002.

It is not a weakly prime, because it can be changed into another prime (12903013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6451509 + 6451510.

It is an arithmetic number, because the mean of its divisors is an integer number (6451510).

Almost surely, 2^12903019 is an apocalyptic number.

12903019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12903019 is an equidigital number, since it uses as much as digits as its factorization.

12903019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 12903019 is about 3592.0772541804. The cubic root of 12903019 is about 234.5473041475.

The spelling of 12903019 in words is "twelve million, nine hundred three thousand, nineteen".