12400230 has 32 divisors (see below), whose sum is σ = 30046464. Its totient is φ = 3274976.

The previous prime is 12400183. The next prime is 12400231. The reversal of 12400230 is 3200421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12400231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1279 + ... + 5141.

It is an arithmetic number, because the mean of its divisors is an integer number (938952).

Almost surely, 2^12400230 is an apocalyptic number.

12400230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12400230 is an abundant number, since it is smaller than the sum of its proper divisors (17646234).

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

12400230 is a wasteful number, since it uses less digits than its factorization.

12400230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3980.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 12400230 is about 3521.3960299858. The cubic root of 12400230 is about 231.4603365069.

Adding to 12400230 its reverse (3200421), we get a palindrome (15600651).

The spelling of 12400230 in words is "twelve million, four hundred thousand, two hundred thirty".