13124661343860 has 192 divisors, whose sum is σ = 42592987309824. Its totient is φ = 2984353996800.

The previous prime is 13124661343817. The next prime is 13124661343867. The reversal of 13124661343860 is 6834316642131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13124661343867) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1291290 + ... + 5283630.

It is an arithmetic number, because the mean of its divisors is an integer number (221838475572).

Almost surely, 2^{13124661343860} is an apocalyptic number.

13124661343860 is a gapful number since it is divisible by the number (10) 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 13124661343860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21296493654912).

13124661343860 is an abundant number, since it is smaller than the sum of its proper divisors (29468325965964).

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

13124661343860 is a wasteful number, since it uses less digits than its factorization.

13124661343860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992674 (or 3992672 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 48.

Adding to 13124661343860 its reverse (6834316642131), we get a palindrome (19958977985991).

The spelling of 13124661343860 in words is "thirteen trillion, one hundred twenty-four billion, six hundred sixty-one million, three hundred forty-three thousand, eight hundred sixty".