12305419 has 12 divisors (see below), whose sum is σ = 14778048. Its totient is φ = 10206000.

The previous prime is 12305413. The next prime is 12305431. The reversal of 12305419 is 91450321.

12305419 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12305419 - 2⁹ = 12304907 is a prime.

It is a super-2 number, since 2×12305419² = 302846673531122, which contains 22 as substring.

It is a Duffinian number.

12305419 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 12305393 and 12305402.

It is not an unprimeable number, because it can be changed into a prime (12305413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2532 + ... + 5569.

It is an arithmetic number, because the mean of its divisors is an integer number (1231504).

Almost surely, 2^12305419 is an apocalyptic number.

12305419 is a deficient number, since it is larger than the sum of its proper divisors (2472629).

12305419 is an equidigital number, since it uses as much as digits as its factorization.

12305419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8146 (or 8139 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 12305419 is about 3507.9080660701. The cubic root of 12305419 is about 230.8689185916.

The spelling of 12305419 in words is "twelve million, three hundred five thousand, four hundred nineteen".