12420333 has 12 divisors (see below), whose sum is σ = 17978688. Its totient is φ = 8262600.

The previous prime is 12420329. The next prime is 12420337. The reversal of 12420333 is 33302421.

It is an interprime number because it is at equal distance from previous prime (12420329) and next prime (12420337).

It is not a de Polignac number, because 12420333 - 2² = 12420329 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12420337) 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, 4108 + ... + 6458.

It is an arithmetic number, because the mean of its divisors is an integer number (1498224).

Almost surely, 2^12420333 is an apocalyptic number.

It is an amenable number.

12420333 is a deficient number, since it is larger than the sum of its proper divisors (5558355).

12420333 is a wasteful number, since it uses less digits than its factorization.

12420333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944 (or 2941 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 12420333 is about 3524.2492817620. The cubic root of 12420333 is about 231.5853485680.

Adding to 12420333 its reverse (33302421), we get a palindrome (45722754).

The spelling of 12420333 in words is "twelve million, four hundred twenty thousand, three hundred thirty-three".