13243213040 has 20 divisors (see below), whose sum is σ = 30790470504. Its totient is φ = 5297285184.

The previous prime is 13243213019. The next prime is 13243213043. The reversal of 13243213040 is 4031234231.

13243213040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 13243212997 and 13243213015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13243213043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82770002 + ... + 82770161.

Almost surely, 2^13243213040 is an apocalyptic number.

13243213040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13243213040 is an abundant number, since it is smaller than the sum of its proper divisors (17547257464).

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

13243213040 is a wasteful number, since it uses less digits than its factorization.

13243213040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165540176 (or 165540170 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13243213040 its reverse (4031234231), we get a palindrome (17274447271).

The spelling of 13243213040 in words is "thirteen billion, two hundred forty-three million, two hundred thirteen thousand, forty".