12243630 has 48 divisors (see below), whose sum is σ = 34186320. Its totient is φ = 2798208.

The previous prime is 12243611. The next prime is 12243661. The reversal of 12243630 is 3634221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 12243597 and 12243606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2695 + ... + 5634.

It is an arithmetic number, because the mean of its divisors is an integer number (712215).

Almost surely, 2^12243630 is an apocalyptic number.

12243630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12243630 is an abundant number, since it is smaller than the sum of its proper divisors (21942690).

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

12243630 is a wasteful number, since it uses less digits than its factorization.

12243630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8353 (or 8346 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 12243630 is about 3499.0898816692. The cubic root of 12243630 is about 230.4818505605.

Adding to 12243630 its reverse (3634221), we get a palindrome (15877851).

The spelling of 12243630 in words is "twelve million, two hundred forty-three thousand, six hundred thirty".