13127403844 has 12 divisors (see below), whose sum is σ = 22980178368. Its totient is φ = 6561638600.

The previous prime is 13127403803. The next prime is 13127403857. The reversal of 13127403844 is 44830472131.

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, 501472 + ... + 526999.

It is an arithmetic number, because the mean of its divisors is an integer number (1915014864).

Almost surely, 2^13127403844 is an apocalyptic number.

It is an amenable number.

13127403844 is a deficient number, since it is larger than the sum of its proper divisors (9852774524).

13127403844 is a wasteful number, since it uses less digits than its factorization.

13127403844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031666 (or 1031664 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

Adding to 13127403844 its reverse (44830472131), we get a palindrome (57957875975).

The spelling of 13127403844 in words is "thirteen billion, one hundred twenty-seven million, four hundred three thousand, eight hundred forty-four".