12413021 has 2 divisors, whose sum is σ = 12413022. Its totient is φ = 12413020.

The previous prime is 12413017. The next prime is 12413039. The reversal of 12413021 is 12031421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10310521 + 2102500 = 3211^2 + 1450^2 .

It is a cyclic number.

It is not a de Polignac number, because 12413021 - 2² = 12413017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12412987 and 12413005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12413321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6206510 + 6206511.

It is an arithmetic number, because the mean of its divisors is an integer number (6206511).

Almost surely, 2^12413021 is an apocalyptic number.

It is an amenable number.

12413021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12413021 is an equidigital number, since it uses as much as digits as its factorization.

12413021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 12413021 is about 3523.2117449850. The cubic root of 12413021 is about 231.5398939500.

Adding to 12413021 its reverse (12031421), we get a palindrome (24444442).

The spelling of 12413021 in words is "twelve million, four hundred thirteen thousand, twenty-one".