12543334 has 4 divisors (see below), whose sum is σ = 18815004. Its totient is φ = 6271666.

The previous prime is 12543329. The next prime is 12543337. The reversal of 12543334 is 43334521.

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

It is a junction number, because it is equal to n+sod(n) for n = 12543299 and 12543308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12543337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3135832 + ... + 3135835.

It is an arithmetic number, because the mean of its divisors is an integer number (4703751).

Almost surely, 2^12543334 is an apocalyptic number.

12543334 is a deficient number, since it is larger than the sum of its proper divisors (6271670).

12543334 is an equidigital number, since it uses as much as digits as its factorization.

12543334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6271669.

The product of its digits is 4320, while the sum is 25.

The square root of 12543334 is about 3541.6569568494. The cubic root of 12543334 is about 232.3473171829.

Adding to 12543334 its reverse (43334521), we get a palindrome (55877855).

The spelling of 12543334 in words is "twelve million, five hundred forty-three thousand, three hundred thirty-four".