12533213 has 16 divisors (see below), whose sum is σ = 15751680. Its totient is φ = 9687600.

The previous prime is 12533203. The next prime is 12533237. The reversal of 12533213 is 31233521.

It is a cyclic number.

It is not a de Polignac number, because 12533213 - 2⁴ = 12533197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12533203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10118 + ... + 11288.

It is an arithmetic number, because the mean of its divisors is an integer number (984480).

Almost surely, 2^12533213 is an apocalyptic number.

It is an amenable number.

12533213 is a deficient number, since it is larger than the sum of its proper divisors (3218467).

12533213 is a wasteful number, since it uses less digits than its factorization.

12533213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328.

The product of its digits is 540, while the sum is 20.

The square root of 12533213 is about 3540.2278175281. The cubic root of 12533213 is about 232.2848080189.

Adding to 12533213 its reverse (31233521), we get a palindrome (43766734).

The spelling of 12533213 in words is "twelve million, five hundred thirty-three thousand, two hundred thirteen".