12934021 has 2 divisors, whose sum is σ = 12934022. Its totient is φ = 12934020.

The previous prime is 12934007. The next prime is 12934069. The reversal of 12934021 is 12043921.

12934021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12852225 + 81796 = 3585^2 + 286^2 .

It is a cyclic number.

It is not a de Polignac number, because 12934021 - 2⁵ = 12933989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12933983 and 12934001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12934001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6467010 + 6467011.

It is an arithmetic number, because the mean of its divisors is an integer number (6467011).

Almost surely, 2^12934021 is an apocalyptic number.

It is an amenable number.

12934021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12934021 is an equidigital number, since it uses as much as digits as its factorization.

12934021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 12934021 is about 3596.3899955372. The cubic root of 12934021 is about 234.7350023290.

Adding to 12934021 its reverse (12043921), we get a palindrome (24977942).

The spelling of 12934021 in words is "twelve million, nine hundred thirty-four thousand, twenty-one".