13250637568820 has 12 divisors (see below), whose sum is σ = 27826338894564. Its totient is φ = 5300255027520.

The previous prime is 13250637568799. The next prime is 13250637568837. The reversal of 13250637568820 is 2886573605231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4574148903076 + 8676488665744 = 2138726^2 + 2945588^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331265939201 + ... + 331265939240.

It is an arithmetic number, because the mean of its divisors is an integer number (2318861574547).

Almost surely, 2^{13250637568820} is an apocalyptic number.

13250637568820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13250637568820 is an abundant number, since it is smaller than the sum of its proper divisors (14575701325744).

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

13250637568820 is a wasteful number, since it uses less digits than its factorization.

13250637568820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662531878450 (or 662531878448 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 13250637568820 in words is "thirteen trillion, two hundred fifty billion, six hundred thirty-seven million, five hundred sixty-eight thousand, eight hundred twenty".