12243430 has 16 divisors (see below), whose sum is σ = 22089744. Its totient is φ = 4885920.

The previous prime is 12243403. The next prime is 12243431. The reversal of 12243430 is 3434221.

It is a junction number, because it is equal to n+sod(n) for n = 12243398 and 12243407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4060 + ... + 6400.

It is an arithmetic number, because the mean of its divisors is an integer number (1380609).

Almost surely, 2^12243430 is an apocalyptic number.

12243430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12243430 is a deficient number, since it is larger than the sum of its proper divisors (9846314).

12243430 is a wasteful number, since it uses less digits than its factorization.

12243430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871.

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

The square root of 12243430 is about 3499.0613026925. The cubic root of 12243430 is about 230.4805955781.

Adding to 12243430 its reverse (3434221), we get a palindrome (15677651).

The spelling of 12243430 in words is "twelve million, two hundred forty-three thousand, four hundred thirty".