13211234906 has 16 divisors (see below), whose sum is σ = 20219409000. Its totient is φ = 6472780800.

The previous prime is 13211234887. The next prime is 13211234909. The reversal of 13211234906 is 60943211231.

It can be written as a sum of positive squares in 4 ways, for example, as 12609268681 + 601966225 = 112291^2 + 24535^2 .

It is not an unprimeable number, because it can be changed into a prime (13211234909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317531 + ... + 356718.

Almost surely, 2^13211234906 is an apocalyptic number.

13211234906 is a deficient number, since it is larger than the sum of its proper divisors (7008174094).

13211234906 is a wasteful number, since it uses less digits than its factorization.

13211234906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674449.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 13211234906 in words is "thirteen billion, two hundred eleven million, two hundred thirty-four thousand, nine hundred six".