13213703540 has 24 divisors (see below), whose sum is σ = 27751379712. Its totient is φ = 5284985760.

The previous prime is 13213703513. The next prime is 13213703557. The reversal of 13213703540 is 4530731231.

13213703540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13213703540² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 249605 + ... + 297875.

It is an arithmetic number, because the mean of its divisors is an integer number (1156307488).

Almost surely, 2^13213703540 is an apocalyptic number.

13213703540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13213703540 is an abundant number, since it is smaller than the sum of its proper divisors (14537676172).

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

13213703540 is a wasteful number, since it uses less digits than its factorization.

13213703540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61967 (or 61965 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The spelling of 13213703540 in words is "thirteen billion, two hundred thirteen million, seven hundred three thousand, five hundred forty".