13019130787 has 4 divisors (see below), whose sum is σ = 14020602400. Its totient is φ = 12017659176.

The previous prime is 13019130779. The next prime is 13019130829. The reversal of 13019130787 is 78703191031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13019130787 - 2³ = 13019130779 is a prime.

It is a super-2 number, since 2×13019130787² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13019130727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500735787 + ... + 500735812.

It is an arithmetic number, because the mean of its divisors is an integer number (3505150600).

Almost surely, 2^13019130787 is an apocalyptic number.

13019130787 is a deficient number, since it is larger than the sum of its proper divisors (1001471613).

13019130787 is a wasteful number, since it uses less digits than its factorization.

13019130787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001471612.

The product of its (nonzero) digits is 31752, while the sum is 40.

The spelling of 13019130787 in words is "thirteen billion, nineteen million, one hundred thirty thousand, seven hundred eighty-seven".