13037985856 has 63 divisors (see below), whose sum is σ = 30111062079. Its totient is φ = 5584967808.

The previous prime is 13037985823. The next prime is 13037985871. The reversal of 13037985856 is 65858973031.

The square root of 13037985856 is 114184.

It is a perfect power (a square), and thus also a powerful number.

It is a junction number, because it is equal to n+sod(n) for n = 13037985797 and 13037985806.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6393285 + ... + 6395323.

Almost surely, 2^13037985856 is an apocalyptic number.

13037985856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

13037985856 is the 114184-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13037985856

13037985856 is an abundant number, since it is smaller than the sum of its proper divisors (17073076223).

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

13037985856 is an frugal number, since it uses more digits than its factorization.

13037985856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4104 (or 2048 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 13037985856 in words is "thirteen billion, thirty-seven million, nine hundred eighty-five thousand, eight hundred fifty-six".