12434426 has 8 divisors (see below), whose sum is σ = 18682164. Its totient is φ = 6207040.

The previous prime is 12434369. The next prime is 12434447. The reversal of 12434426 is 62443421.

It can be written as a sum of positive squares in 2 ways, for example, as 12075625 + 358801 = 3475^2 + 599^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12434426² = 309229899898952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12434395 and 12434404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3455 + ... + 6066.

Almost surely, 2^12434426 is an apocalyptic number.

12434426 is a deficient number, since it is larger than the sum of its proper divisors (6247738).

12434426 is an equidigital number, since it uses as much as digits as its factorization.

12434426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10176.

The product of its digits is 4608, while the sum is 26.

The square root of 12434426 is about 3526.2481478194. The cubic root of 12434426 is about 231.6729065713.

Adding to 12434426 its reverse (62443421), we get a palindrome (74877847).

The spelling of 12434426 in words is "twelve million, four hundred thirty-four thousand, four hundred twenty-six".