13240213224 has 128 divisors (see below), whose sum is σ = 40096373760. Its totient is φ = 3556666368.

The previous prime is 13240213199. The next prime is 13240213229. The reversal of 13240213224 is 42231204231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 13240213194 and 13240213203.

It is not an unprimeable number, because it can be changed into a prime (13240213229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3731019 + ... + 3734565.

It is an arithmetic number, because the mean of its divisors is an integer number (313252920).

Almost surely, 2^13240213224 is an apocalyptic number.

13240213224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13240213224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20048186880).

13240213224 is an abundant number, since it is smaller than the sum of its proper divisors (26856160536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13240213224 is a wasteful number, since it uses less digits than its factorization.

13240213224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4887 (or 4883 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 13240213224 its reverse (42231204231), we get a palindrome (55471417455).

The spelling of 13240213224 in words is "thirteen billion, two hundred forty million, two hundred thirteen thousand, two hundred twenty-four".