13052021 has 2 divisors, whose sum is σ = 13052022. Its totient is φ = 13052020.

The previous prime is 13052003. The next prime is 13052033. The reversal of 13052021 is 12025031.

It is a happy number.

13052021 is digitally balanced in base 2, 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., 7623121 + 5428900 = 2761^2 + 2330^2 .

It is an emirp because it is prime and its reverse (12025031) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13052021 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13051987 and 13052005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13052051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6526010 + 6526011.

It is an arithmetic number, because the mean of its divisors is an integer number (6526011).

Almost surely, 2^13052021 is an apocalyptic number.

It is an amenable number.

13052021 is a deficient number, since it is larger than the sum of its proper divisors (1).

13052021 is an equidigital number, since it uses as much as digits as its factorization.

13052021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 13052021 is about 3612.7580876665. The cubic root of 13052021 is about 235.4466892489.

Adding to 13052021 its reverse (12025031), we get a palindrome (25077052).

The spelling of 13052021 in words is "thirteen million, fifty-two thousand, twenty-one".