12034403 has 4 divisors (see below), whose sum is σ = 12041400. Its totient is φ = 12027408.

The previous prime is 12034381. The next prime is 12034409. The reversal of 12034403 is 30443021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12034403 - 2¹⁰ = 12033379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12034409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1076 + ... + 5022.

It is an arithmetic number, because the mean of its divisors is an integer number (3010350).

Almost surely, 2^12034403 is an apocalyptic number.

12034403 is a deficient number, since it is larger than the sum of its proper divisors (6997).

12034403 is an equidigital number, since it uses as much as digits as its factorization.

12034403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6996.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 12034403 is about 3469.0637065352. The cubic root of 12034403 is about 229.1614264513.

Adding to 12034403 its reverse (30443021), we get a palindrome (42477424).

The spelling of 12034403 in words is "twelve million, thirty-four thousand, four hundred three".