12126430 has 16 divisors (see below), whose sum is σ = 22335984. Its totient is φ = 4737600.

The previous prime is 12126419. The next prime is 12126449. The reversal of 12126430 is 3462121.

12126430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12126398 and 12126407.

It is a congruent number.

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, 13671 + ... + 14530.

It is an arithmetic number, because the mean of its divisors is an integer number (1395999).

Almost surely, 2^12126430 is an apocalyptic number.

12126430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12126430 is a deficient number, since it is larger than the sum of its proper divisors (10209554).

12126430 is a wasteful number, since it uses less digits than its factorization.

12126430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28251.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 12126430 is about 3482.3023992755. The cubic root of 12126430 is about 229.7440757636.

Adding to 12126430 its reverse (3462121), we get a palindrome (15588551).

The spelling of 12126430 in words is "twelve million, one hundred twenty-six thousand, four hundred thirty".