12430220 has 24 divisors (see below), whose sum is σ = 28477008. Its totient is φ = 4520000.

The previous prime is 12430219. The next prime is 12430267. The reversal of 12430220 is 2203421.

It is a junction number, because it is equal to n+sod(n) for n = 12430195 and 12430204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28031 + ... + 28470.

It is an arithmetic number, because the mean of its divisors is an integer number (1186542).

Almost surely, 2^12430220 is an apocalyptic number.

12430220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12430220 is an abundant number, since it is smaller than the sum of its proper divisors (16046788).

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

12430220 is a wasteful number, since it uses less digits than its factorization.

12430220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56521 (or 56519 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 12430220 is about 3525.6517128043. The cubic root of 12430220 is about 231.6467821612.

Adding to 12430220 its reverse (2203421), we get a palindrome (14633641).

The spelling of 12430220 in words is "twelve million, four hundred thirty thousand, two hundred twenty".