12828481 has 2 divisors, whose sum is σ = 12828482. Its totient is φ = 12828480.

The previous prime is 12828463. The next prime is 12828499. The reversal of 12828481 is 18482821.

It is a balanced prime because it is at equal distance from previous prime (12828463) and next prime (12828499).

It can be written as a sum of positive squares in only one way, i.e., 9734400 + 3094081 = 3120^2 + 1759^2 .

It is a cyclic number.

It is not a de Polignac number, because 12828481 - 2¹³ = 12820289 is a prime.

It is a super-3 number, since 3×12828481³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (12828461) 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, 6414240 + 6414241.

It is an arithmetic number, because the mean of its divisors is an integer number (6414241).

Almost surely, 2^12828481 is an apocalyptic number.

It is an amenable number.

12828481 is a deficient number, since it is larger than the sum of its proper divisors (1).

12828481 is an equidigital number, since it uses as much as digits as its factorization.

12828481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8192, while the sum is 34.

The square root of 12828481 is about 3581.6868930715. The cubic root of 12828481 is about 234.0947883446.

The spelling of 12828481 in words is "twelve million, eight hundred twenty-eight thousand, four hundred eighty-one".