13257700640000 has 90 divisors (see below), whose sum is σ = 33068931687330. Its totient is φ = 5303080192000.

The previous prime is 13257700639999. The next prime is 13257700640017. The reversal of 13257700640000 is 4600775231.

It can be written as a sum of positive squares in 5 ways, for example, as 1282003649536 + 11975696990464 = 1132256^2 + 3460592^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 41270315 + ... + 41590314.

Almost surely, 2^{13257700640000} is an apocalyptic number.

13257700640000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13257700640000 is an abundant number, since it is smaller than the sum of its proper divisors (19811231047330).

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

13257700640000 is an frugal number, since it uses more digits than its factorization.

13257700640000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82860665 (or 82860636 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The spelling of 13257700640000 in words is "thirteen trillion, two hundred fifty-seven billion, seven hundred million, six hundred forty thousand".