13028087788 has 12 divisors (see below), whose sum is σ = 23111471320. Its totient is φ = 6424810272.

The previous prime is 13028087771. The next prime is 13028087833. The reversal of 13028087788 is 88778082031.

It is a happy number.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

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, 22308078 + ... + 22308661.

Almost surely, 2^13028087788 is an apocalyptic number.

It is an amenable number.

13028087788 is a deficient number, since it is larger than the sum of its proper divisors (10083383532).

13028087788 is a wasteful number, since it uses less digits than its factorization.

13028087788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44616816 (or 44616814 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 52.

The spelling of 13028087788 in words is "thirteen billion, twenty-eight million, eighty-seven thousand, seven hundred eighty-eight".