13127041784452 has 6 divisors (see below), whose sum is σ = 22972323122798. Its totient is φ = 6563520892224.

The previous prime is 13127041784443. The next prime is 13127041784501. The reversal of 13127041784452 is 25448714072131.

It can be written as a sum of positive squares in only one way, i.e., 11371692373636 + 1755349410816 = 3372194^2 + 1324896^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13127041784396 and 13127041784405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1640880223053 + ... + 1640880223060.

Almost surely, 2^{13127041784452} is an apocalyptic number.

It is an amenable number.

13127041784452 is a deficient number, since it is larger than the sum of its proper divisors (9845281338346).

13127041784452 is a wasteful number, since it uses less digits than its factorization.

13127041784452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3281760446117 (or 3281760446115 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 49.

The spelling of 13127041784452 in words is "thirteen trillion, one hundred twenty-seven billion, forty-one million, seven hundred eighty-four thousand, four hundred fifty-two".