12533042 has 4 divisors (see below), whose sum is σ = 18799566. Its totient is φ = 6266520.

The previous prime is 12533041. The next prime is 12533051. The reversal of 12533042 is 24033521.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 12313081 + 219961 = 3509^2 + 469^2 .

It is not an unprimeable number, because it can be changed into a prime (12533041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3133259 + ... + 3133262.

Almost surely, 2^12533042 is an apocalyptic number.

12533042 is a deficient number, since it is larger than the sum of its proper divisors (6266524).

12533042 is an equidigital number, since it uses as much as digits as its factorization.

12533042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6266523.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 12533042 is about 3540.2036664576. The cubic root of 12533042 is about 232.2837516023.

Adding to 12533042 its reverse (24033521), we get a palindrome (36566563).

The spelling of 12533042 in words is "twelve million, five hundred thirty-three thousand, forty-two".