12450419 has 2 divisors, whose sum is σ = 12450420. Its totient is φ = 12450418.

The previous prime is 12450397. The next prime is 12450421. The reversal of 12450419 is 91405421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12450419 is a prime.

It is a super-2 number, since 2×12450419² = 310025866551122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 12450421, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12450439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6225209 + 6225210.

It is an arithmetic number, because the mean of its divisors is an integer number (6225210).

Almost surely, 2^12450419 is an apocalyptic number.

12450419 is a deficient number, since it is larger than the sum of its proper divisors (1).

12450419 is an equidigital number, since it uses as much as digits as its factorization.

12450419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 12450419 is about 3528.5151267920. The cubic root of 12450419 is about 231.7721889299.

The spelling of 12450419 in words is "twelve million, four hundred fifty thousand, four hundred nineteen".