13200215405 has 16 divisors (see below), whose sum is σ = 17131973040. Its totient is φ = 9706003968.

The previous prime is 13200215383. The next prime is 13200215429. The reversal of 13200215405 is 50451200231.

It can be written as a sum of positive squares in 8 ways, for example, as 4909384489 + 8290830916 = 70067^2 + 91054^2 .

It is a cyclic number.

It is not a de Polignac number, because 13200215405 - 2⁶ = 13200215341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420650 + ... + 450939.

It is an arithmetic number, because the mean of its divisors is an integer number (1070748315).

Almost surely, 2^13200215405 is an apocalyptic number.

It is an amenable number.

13200215405 is a deficient number, since it is larger than the sum of its proper divisors (3931757635).

13200215405 is a wasteful number, since it uses less digits than its factorization.

13200215405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871840.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 13200215405 its reverse (50451200231), we get a palindrome (63651415636).

The spelling of 13200215405 in words is "thirteen billion, two hundred million, two hundred fifteen thousand, four hundred five".