12429426 has 16 divisors (see below), whose sum is σ = 24942528. Its totient is φ = 4129200.

The previous prime is 12429409. The next prime is 12429449. The reversal of 12429426 is 62492421.

It is a junction number, because it is equal to n+sod(n) for n = 12429393 and 12429402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1465 + ... + 5196.

It is an arithmetic number, because the mean of its divisors is an integer number (1558908).

Almost surely, 2^12429426 is an apocalyptic number.

12429426 is an abundant number, since it is smaller than the sum of its proper divisors (12513102).

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

12429426 is a wasteful number, since it uses less digits than its factorization.

12429426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6977.

The product of its digits is 6912, while the sum is 30.

The square root of 12429426 is about 3525.5391077110. The cubic root of 12429426 is about 231.6418497877.

The spelling of 12429426 in words is "twelve million, four hundred twenty-nine thousand, four hundred twenty-six".