12535321 has 2 divisors, whose sum is σ = 12535322. Its totient is φ = 12535320.

The previous prime is 12535297. The next prime is 12535331. The reversal of 12535321 is 12353521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12531600 + 3721 = 3540^2 + 61^2 .

It is an emirp because it is prime and its reverse (12353521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12535321 - 2¹³ = 12527129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12535292 and 12535301.

It is not a weakly prime, because it can be changed into another prime (12535331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6267660 + 6267661.

It is an arithmetic number, because the mean of its divisors is an integer number (6267661).

Almost surely, 2^12535321 is an apocalyptic number.

It is an amenable number.

12535321 is a deficient number, since it is larger than the sum of its proper divisors (1).

12535321 is an equidigital number, since it uses as much as digits as its factorization.

12535321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 900, while the sum is 22.

The square root of 12535321 is about 3540.5255259636. The cubic root of 12535321 is about 232.2978301899.

Adding to 12535321 its reverse (12353521), we get a palindrome (24888842).

The spelling of 12535321 in words is "twelve million, five hundred thirty-five thousand, three hundred twenty-one".