12533003405 has 8 divisors (see below), whose sum is σ = 16196496792. Its totient is φ = 9255140928.

The previous prime is 12533003401. The next prime is 12533003419. The reversal of 12533003405 is 50430033521.

12533003405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 636956644 + 11896046761 = 25238^2 + 109069^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12533003405 - 2² = 12533003401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12533003401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96407654 + ... + 96407783.

It is an arithmetic number, because the mean of its divisors is an integer number (2024562099).

Almost surely, 2^12533003405 is an apocalyptic number.

It is an amenable number.

12533003405 is a deficient number, since it is larger than the sum of its proper divisors (3663493387).

12533003405 is a wasteful number, since it uses less digits than its factorization.

12533003405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192815455.

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 12533003405 its reverse (50430033521), we get a palindrome (62963036926).

The spelling of 12533003405 in words is "twelve billion, five hundred thirty-three million, three thousand, four hundred five".