12533434 has 8 divisors (see below), whose sum is σ = 18875808. Its totient is φ = 6241500.

The previous prime is 12533377. The next prime is 12533441. The reversal of 12533434 is 43433521.

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

It is a junction number, because it is equal to n+sod(n) for n = 12533399 and 12533408.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11982 + ... + 12985.

It is an arithmetic number, because the mean of its divisors is an integer number (2359476).

Almost surely, 2^12533434 is an apocalyptic number.

12533434 is a deficient number, since it is larger than the sum of its proper divisors (6342374).

12533434 is a wasteful number, since it uses less digits than its factorization.

12533434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25220.

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

The square root of 12533434 is about 3540.2590300711. The cubic root of 12533434 is about 232.2861733151.

Adding to 12533434 its reverse (43433521), we get a palindrome (55966955).

The spelling of 12533434 in words is "twelve million, five hundred thirty-three thousand, four hundred thirty-four".