13213727251848 has 60 divisors (see below), whose sum is σ = 37010930419815. Its totient is φ = 4404544906032.

The previous prime is 13213727251687. The next prime is 13213727251849. The reversal of 13213727251848 is 84815272731231.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

13213727251848 is a `hidden beast` number, since 1 + 3 + 2 + 13 + 7 + 2 + 72 + 518 + 48 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6606863625924 + 6606863625924 = 2570382^2 + 2570382^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2570382.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 13213727251794 and 13213727251803.

It is not an unprimeable number, because it can be changed into a prime (13213727251849) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 92462353 + ... + 92605151.

Almost surely, 2^{13213727251848} is an apocalyptic number.

13213727251848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13213727251848 is an abundant number, since it is smaller than the sum of its proper divisors (23797203167967).

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

13213727251848 is an frugal number, since it uses more digits than its factorization.

13213727251848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285616 (or 142804 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The spelling of 13213727251848 in words is "thirteen trillion, two hundred thirteen billion, seven hundred twenty-seven million, two hundred fifty-one thousand, eight hundred forty-eight".