12434 has 4 divisors (see below), whose sum is σ = 18654. Its totient is φ = 6216.

The previous prime is 12433. The next prime is 12437. The reversal of 12434 is 43421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43421 = 7 ⋅6203.

It can be written as a sum of positive squares in only one way, i.e., 9409 + 3025 = 97^2 + 55^2 .

It is a d-powerful number, because it can be written as 1 + 2¹³ + 4³ + 3⁴ + 4⁶ .

It is not an unprimeable number, because it can be changed into a prime (12433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3107 + ... + 3110.

2¹²⁴³⁴ is an apocalyptic number.

12434 is a deficient number, since it is larger than the sum of its proper divisors (6220).

12434 is an equidigital number, since it uses as much as digits as its factorization.

12434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6219.

The product of its digits is 96, while the sum is 14.

The square root of 12434 is about 111.5078472575. The cubic root of 12434 is about 23.1670260858.

Adding to 12434 its reverse (43421), we get a palindrome (55855).

The spelling of 12434 in words is "twelve thousand, four hundred thirty-four".