13324121340 has 48 divisors (see below), whose sum is σ = 38594011680. Its totient is φ = 3430577920.

The previous prime is 13324121339. The next prime is 13324121353. The reversal of 13324121340 is 4312142331.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13324121340.

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, 3827031 + ... + 3830510.

It is an arithmetic number, because the mean of its divisors is an integer number (804041910).

Almost surely, 2^13324121340 is an apocalyptic number.

13324121340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13324121340 is an abundant number, since it is smaller than the sum of its proper divisors (25269890340).

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

13324121340 is a wasteful number, since it uses less digits than its factorization.

13324121340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7657582 (or 7657580 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13324121340 its reverse (4312142331), we get a palindrome (17636263671).

The spelling of 13324121340 in words is "thirteen billion, three hundred twenty-four million, one hundred twenty-one thousand, three hundred forty".