13127546865 has 16 divisors (see below), whose sum is σ = 21066409728. Its totient is φ = 6980580096.

The previous prime is 13127546851. The next prime is 13127546977. The reversal of 13127546865 is 56864572131.

It is not a de Polignac number, because 13127546865 - 2¹⁰ = 13127545841 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1293417 + ... + 1303526.

It is an arithmetic number, because the mean of its divisors is an integer number (1316650608).

Almost surely, 2^13127546865 is an apocalyptic number.

13127546865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13127546865 is a deficient number, since it is larger than the sum of its proper divisors (7938862863).

13127546865 is a wasteful number, since it uses less digits than its factorization.

13127546865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2597288.

The product of its digits is 1209600, while the sum is 48.

The spelling of 13127546865 in words is "thirteen billion, one hundred twenty-seven million, five hundred forty-six thousand, eight hundred sixty-five".