12443135 has 8 divisors (see below), whose sum is σ = 14974656. Its totient is φ = 9925920.

The previous prime is 12443129. The next prime is 12443147. The reversal of 12443135 is 53134421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12443135 - 2¹² = 12439039 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 12443135.

It is a congruent 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, 1556 + ... + 5225.

It is an arithmetic number, because the mean of its divisors is an integer number (1871832).

Almost surely, 2^12443135 is an apocalyptic number.

12443135 is a deficient number, since it is larger than the sum of its proper divisors (2531521).

12443135 is an equidigital number, since it uses as much as digits as its factorization.

12443135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7153.

The product of its digits is 1440, while the sum is 23.

The square root of 12443135 is about 3527.4828135655. The cubic root of 12443135 is about 231.7269814030.

Adding to 12443135 its reverse (53134421), we get a palindrome (65577556).

The spelling of 12443135 in words is "twelve million, four hundred forty-three thousand, one hundred thirty-five".