12533333 has 2 divisors, whose sum is σ = 12533334. Its totient is φ = 12533332.

The previous prime is 12533329. The next prime is 12533359. The reversal of 12533333 is 33333521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6589489 + 5943844 = 2567^2 + 2438^2 .

It is a cyclic number.

It is not a de Polignac number, because 12533333 - 2² = 12533329 is a prime.

12533333 is a modest number, since divided by 3333 gives 1253 as remainder.

It is equal to p₈₂₀₇₆₀ and since 12533333 and 820760 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 12533299 and 12533308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12533033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6266666 + 6266667.

It is an arithmetic number, because the mean of its divisors is an integer number (6266667).

Almost surely, 2^12533333 is an apocalyptic number.

It is an amenable number.

12533333 is a deficient number, since it is larger than the sum of its proper divisors (1).

12533333 is an equidigital number, since it uses as much as digits as its factorization.

12533333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2430, while the sum is 23.

The square root of 12533333 is about 3540.2447655494. The cubic root of 12533333 is about 232.2855493582.

Adding to 12533333 its reverse (33333521), we get a palindrome (45866854).

The spelling of 12533333 in words is "twelve million, five hundred thirty-three thousand, three hundred thirty-three".