12429959 has 4 divisors (see below), whose sum is σ = 12970416. Its totient is φ = 11889504.

The previous prime is 12429953. The next prime is 12429973. The reversal of 12429959 is 95992421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12429959 - 2¹² = 12425863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12429953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270194 + ... + 270239.

It is an arithmetic number, because the mean of its divisors is an integer number (3242604).

Almost surely, 2^12429959 is an apocalyptic number.

12429959 is a deficient number, since it is larger than the sum of its proper divisors (540457).

12429959 is an equidigital number, since it uses as much as digits as its factorization.

12429959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540456.

The product of its digits is 58320, while the sum is 41.

The square root of 12429959 is about 3525.6146981768. The cubic root of 12429959 is about 231.6451608374.

The spelling of 12429959 in words is "twelve million, four hundred twenty-nine thousand, nine hundred fifty-nine".