13302021213 has 12 divisors (see below), whose sum is σ = 20692033180. Its totient is φ = 8185859136.

The previous prime is 13302021209. The next prime is 13302021247. The reversal of 13302021213 is 31212020331.

It can be written as a sum of positive squares in 2 ways, for example, as 5719443129 + 7582578084 = 75627^2 + 87078^2 .

It is not a de Polignac number, because 13302021213 - 2² = 13302021209 is a prime.

It is a super-2 number, since 2×13302021213² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13302021013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56846128 + ... + 56846361.

Almost surely, 2^13302021213 is an apocalyptic number.

13302021213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13302021213 is a deficient number, since it is larger than the sum of its proper divisors (7390011967).

13302021213 is a wasteful number, since it uses less digits than its factorization.

13302021213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113692508 (or 113692505 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13302021213 its reverse (31212020331), we get a palindrome (44514041544).

The spelling of 13302021213 in words is "thirteen billion, three hundred two million, twenty-one thousand, two hundred thirteen".