13021054213 has 4 divisors (see below), whose sum is σ = 13042792800. Its totient is φ = 12999315628.

The previous prime is 13021054177. The next prime is 13021054223. The reversal of 13021054213 is 31245012031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13021054213 - 2⁹ = 13021053701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021054223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10868395 + ... + 10869592.

It is an arithmetic number, because the mean of its divisors is an integer number (3260698200).

Almost surely, 2^13021054213 is an apocalyptic number.

It is an amenable number.

13021054213 is a deficient number, since it is larger than the sum of its proper divisors (21738587).

13021054213 is an equidigital number, since it uses as much as digits as its factorization.

13021054213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21738586.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 13021054213 its reverse (31245012031), we get a palindrome (44266066244).

The spelling of 13021054213 in words is "thirteen billion, twenty-one million, fifty-four thousand, two hundred thirteen".