12433420 has 12 divisors (see below), whose sum is σ = 26110224. Its totient is φ = 4973360.

The previous prime is 12433417. The next prime is 12433423. The reversal of 12433420 is 2433421.

12433420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12433417) and next prime (12433423).

It is not an unprimeable number, because it can be changed into a prime (12433423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310816 + ... + 310855.

It is an arithmetic number, because the mean of its divisors is an integer number (2175852).

Almost surely, 2^12433420 is an apocalyptic number.

12433420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12433420 is an abundant number, since it is smaller than the sum of its proper divisors (13676804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12433420 is a wasteful number, since it uses less digits than its factorization.

12433420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621680 (or 621678 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 12433420 is about 3526.1055004069. The cubic root of 12433420 is about 231.6666586156. Note that the first 4 decimals are identical.

Adding to 12433420 its reverse (2433421), we get a palindrome (14866841).

Subtracting from 12433420 its reverse (2433421), we obtain a palindrome (9999999).

The spelling of 12433420 in words is "twelve million, four hundred thirty-three thousand, four hundred twenty".