12854021 has 2 divisors, whose sum is σ = 12854022. Its totient is φ = 12854020.

The previous prime is 12853991. The next prime is 12854027. The reversal of 12854021 is 12045821.

12854021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9523396 + 3330625 = 3086^2 + 1825^2 .

It is a cyclic number.

It is not a de Polignac number, because 12854021 - 2¹⁰ = 12852997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12854027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6427010 + 6427011.

It is an arithmetic number, because the mean of its divisors is an integer number (6427011).

Almost surely, 2^12854021 is an apocalyptic number.

It is an amenable number.

12854021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12854021 is an equidigital number, since it uses as much as digits as its factorization.

12854021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 12854021 is about 3585.2504793947. The cubic root of 12854021 is about 234.2500371122.

Adding to 12854021 its reverse (12045821), we get a palindrome (24899842).

The spelling of 12854021 in words is "twelve million, eight hundred fifty-four thousand, twenty-one".