12420419 has 8 divisors (see below), whose sum is σ = 13916208. Its totient is φ = 10985760.

The previous prime is 12420413. The next prime is 12420451. The reversal of 12420419 is 91402421.

12420419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12420419 - 2¹² = 12416323 is a prime.

It is a super-2 number, since 2×12420419² = 308533616271122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12420394 and 12420403.

It is not an unprimeable number, because it can be changed into a prime (12420413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14852 + ... + 15665.

It is an arithmetic number, because the mean of its divisors is an integer number (1739526).

Almost surely, 2^12420419 is an apocalyptic number.

12420419 is a deficient number, since it is larger than the sum of its proper divisors (1495789).

12420419 is a wasteful number, since it uses less digits than its factorization.

12420419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30565.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 12420419 is about 3524.2614829209. The cubic root of 12420419 is about 231.5858830758.

The spelling of 12420419 in words is "twelve million, four hundred twenty thousand, four hundred nineteen".