13141021 has 2 divisors, whose sum is σ = 13141022. Its totient is φ = 13141020.

The previous prime is 13141019. The next prime is 13141039. The reversal of 13141021 is 12014131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12880921 + 260100 = 3589^2 + 510^2 .

It is a cyclic number.

It is not a de Polignac number, because 13141021 - 2¹ = 13141019 is a prime.

Together with 13141019, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 13140992 and 13141010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13141001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6570510 + 6570511.

It is an arithmetic number, because the mean of its divisors is an integer number (6570511).

Almost surely, 2^13141021 is an apocalyptic number.

It is an amenable number.

13141021 is a deficient number, since it is larger than the sum of its proper divisors (1).

13141021 is an equidigital number, since it uses as much as digits as its factorization.

13141021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 13141021 is about 3625.0546202782. The cubic root of 13141021 is about 235.9806373562.

Adding to 13141021 its reverse (12014131), we get a palindrome (25155152).

The spelling of 13141021 in words is "thirteen million, one hundred forty-one thousand, twenty-one".