12385434 has 16 divisors (see below), whose sum is σ = 24806880. Its totient is φ = 4122480.

The previous prime is 12385433. The next prime is 12385447. The reversal of 12385434 is 43458321.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12385433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5449 + ... + 7379.

It is an arithmetic number, because the mean of its divisors is an integer number (1550430).

Almost surely, 2^12385434 is an apocalyptic number.

12385434 is an abundant number, since it is smaller than the sum of its proper divisors (12421446).

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

12385434 is a wasteful number, since it uses less digits than its factorization.

12385434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005.

The product of its digits is 11520, while the sum is 30.

The square root of 12385434 is about 3519.2945315787. The cubic root of 12385434 is about 231.3682400926.

The spelling of 12385434 in words is "twelve million, three hundred eighty-five thousand, four hundred thirty-four".