12420383 has 2 divisors, whose sum is σ = 12420384. Its totient is φ = 12420382.

The previous prime is 12420379. The next prime is 12420389. The reversal of 12420383 is 38302421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12420383 - 2² = 12420379 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12420389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6210191 + 6210192.

It is an arithmetic number, because the mean of its divisors is an integer number (6210192).

Almost surely, 2^12420383 is an apocalyptic number.

12420383 is a deficient number, since it is larger than the sum of its proper divisors (1).

12420383 is an equidigital number, since it uses as much as digits as its factorization.

12420383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 12420383 is about 3524.2563754642. The cubic root of 12420383 is about 231.5856593286.

The spelling of 12420383 in words is "twelve million, four hundred twenty thousand, three hundred eighty-three".