13211407405 has 16 divisors (see below), whose sum is σ = 18608192640. Its totient is φ = 8814405312.

The previous prime is 13211407399. The next prime is 13211407439. The reversal of 13211407405 is 50470411231.

It is a cyclic number.

It is not a de Polignac number, because 13211407405 - 2³ = 13211407397 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, 5099635 + ... + 5102224.

It is an arithmetic number, because the mean of its divisors is an integer number (1163012040).

Almost surely, 2^13211407405 is an apocalyptic number.

It is an amenable number.

13211407405 is a deficient number, since it is larger than the sum of its proper divisors (5396785235).

13211407405 is a wasteful number, since it uses less digits than its factorization.

13211407405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10201908.

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 13211407405 its reverse (50470411231), we get a palindrome (63681818636).

The spelling of 13211407405 in words is "thirteen billion, two hundred eleven million, four hundred seven thousand, four hundred five".