12231400 has 48 divisors (see below), whose sum is σ = 29685600. Its totient is φ = 4678080.

The previous prime is 12231397. The next prime is 12231413. The reversal of 12231400 is 413221.

12231400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3271 + ... + 5929.

It is an arithmetic number, because the mean of its divisors is an integer number (618450).

Almost surely, 2^12231400 is an apocalyptic number.

12231400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12231400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14842800).

12231400 is an abundant number, since it is smaller than the sum of its proper divisors (17454200).

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

12231400 is a wasteful number, since it uses less digits than its factorization.

12231400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698 (or 2689 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 12231400 is about 3497.3418477467. The cubic root of 12231400 is about 230.4050832373.

Adding to 12231400 its reverse (413221), we get a palindrome (12644621).

The spelling of 12231400 in words is "twelve million, two hundred thirty-one thousand, four hundred".