12429858 has 16 divisors (see below), whose sum is σ = 28411200. Its totient is φ = 3551376.

The previous prime is 12429841. The next prime is 12429863. The reversal of 12429858 is 85892421.

12429858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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, 147933 + ... + 148016.

It is an arithmetic number, because the mean of its divisors is an integer number (1775700).

Almost surely, 2^12429858 is an apocalyptic number.

12429858 is an abundant number, since it is smaller than the sum of its proper divisors (15981342).

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

12429858 is a wasteful number, since it uses less digits than its factorization.

12429858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295961.

The product of its digits is 46080, while the sum is 39.

The square root of 12429858 is about 3525.6003744043. The cubic root of 12429858 is about 231.6445334225.

The spelling of 12429858 in words is "twelve million, four hundred twenty-nine thousand, eight hundred fifty-eight".