12533441 has 2 divisors, whose sum is σ = 12533442. Its totient is φ = 12533440.

The previous prime is 12533377. The next prime is 12533447. The reversal of 12533441 is 14433521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11730625 + 802816 = 3425^2 + 896^2 .

It is a cyclic number.

It is not a de Polignac number, because 12533441 - 2⁶ = 12533377 is a prime.

It is not a weakly prime, because it can be changed into another prime (12533447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6266720 + 6266721.

It is an arithmetic number, because the mean of its divisors is an integer number (6266721).

Almost surely, 2^12533441 is an apocalyptic number.

It is an amenable number.

12533441 is a deficient number, since it is larger than the sum of its proper divisors (1).

12533441 is an equidigital number, since it uses as much as digits as its factorization.

12533441 is an odious number, because the sum of its binary digits is odd.

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

The square root of 12533441 is about 3540.2600186992. The cubic root of 12533441 is about 232.2862165595.

Adding to 12533441 its reverse (14433521), we get a palindrome (26966962).

The spelling of 12533441 in words is "twelve million, five hundred thirty-three thousand, four hundred forty-one".