13223212261 has 8 divisors (see below), whose sum is σ = 15253479360. Its totient is φ = 11228254368.

The previous prime is 13223212253. The next prime is 13223212271. The reversal of 13223212261 is 16221232231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13223212261 - 2³ = 13223212253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13223212271) 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, 8826496 + ... + 8827993.

It is an arithmetic number, because the mean of its divisors is an integer number (1906684920).

Almost surely, 2^13223212261 is an apocalyptic number.

It is an amenable number.

13223212261 is a deficient number, since it is larger than the sum of its proper divisors (2030267099).

13223212261 is a wasteful number, since it uses less digits than its factorization.

13223212261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17654603.

The product of its digits is 1728, while the sum is 25.

Adding to 13223212261 its reverse (16221232231), we get a palindrome (29444444492).

The spelling of 13223212261 in words is "thirteen billion, two hundred twenty-three million, two hundred twelve thousand, two hundred sixty-one".