13112776000 has 56 divisors (see below), whose sum is σ = 32473809576. Its totient is φ = 5245107200.

The previous prime is 13112775959. The next prime is 13112776009. The reversal of 13112776000 is 67721131.

It can be written as a sum of positive squares in 4 ways, for example, as 2734871616 + 10377904384 = 52296^2 + 101872^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13112776000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112776009) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 811549 + ... + 827548.

Almost surely, 2^13112776000 is an apocalyptic number.

13112776000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13112776000 is an abundant number, since it is smaller than the sum of its proper divisors (19361033576).

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

13112776000 is an equidigital number, since it uses as much as digits as its factorization.

13112776000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639124 (or 1639104 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 28.

The spelling of 13112776000 in words is "thirteen billion, one hundred twelve million, seven hundred seventy-six thousand".