13205005413 has 4 divisors (see below), whose sum is σ = 17606673888. Its totient is φ = 8803336940.

The previous prime is 13205005399. The next prime is 13205005441. The reversal of 13205005413 is 31450050231.

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 13205005413 - 2⁴ = 13205005397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13205075413) 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, 2200834233 + ... + 2200834238.

It is an arithmetic number, because the mean of its divisors is an integer number (4401668472).

Almost surely, 2^13205005413 is an apocalyptic number.

It is an amenable number.

13205005413 is a deficient number, since it is larger than the sum of its proper divisors (4401668475).

13205005413 is an equidigital number, since it uses as much as digits as its factorization.

13205005413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4401668474.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 13205005413 its reverse (31450050231), we get a palindrome (44655055644).

The spelling of 13205005413 in words is "thirteen billion, two hundred five million, five thousand, four hundred thirteen".