13241021 has 2 divisors, whose sum is σ = 13241022. Its totient is φ = 13241020.

The previous prime is 13241017. The next prime is 13241027. The reversal of 13241021 is 12014231.

13241021 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., 10725625 + 2515396 = 3275^2 + 1586^2 .

It is a cyclic number.

It is not a de Polignac number, because 13241021 - 2² = 13241017 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13240987 and 13241005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13241027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6620510 + 6620511.

It is an arithmetic number, because the mean of its divisors is an integer number (6620511).

Almost surely, 2^13241021 is an apocalyptic number.

It is an amenable number.

13241021 is a deficient number, since it is larger than the sum of its proper divisors (1).

13241021 is an equidigital number, since it uses as much as digits as its factorization.

13241021 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 13241021 is about 3638.8213751158. The cubic root of 13241021 is about 236.5777106225.

Adding to 13241021 its reverse (12014231), we get a palindrome (25255252).

The spelling of 13241021 in words is "thirteen million, two hundred forty-one thousand, twenty-one".