12859434 has 24 divisors (see below), whose sum is σ = 31842720. Its totient is φ = 3674088.

The previous prime is 12859433. The next prime is 12859453. The reversal of 12859434 is 43495821.

It is not an unprimeable number, because it can be changed into a prime (12859433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50904 + ... + 51155.

It is an arithmetic number, because the mean of its divisors is an integer number (1326780).

Almost surely, 2^12859434 is an apocalyptic number.

12859434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12859434 is an abundant number, since it is smaller than the sum of its proper divisors (18983286).

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

12859434 is a wasteful number, since it uses less digits than its factorization.

12859434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102074 (or 102071 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 12859434 is about 3586.0052983787. The cubic root of 12859434 is about 234.2829144378.

The spelling of 12859434 in words is "twelve million, eight hundred fifty-nine thousand, four hundred thirty-four".