13000077993 has 16 divisors (see below), whose sum is σ = 20292806016. Its totient is φ = 7247429760.

The previous prime is 13000077991. The next prime is 13000078001. The reversal of 13000077993 is 39977000031.

It is not a de Polignac number, because 13000077993 - 2¹ = 13000077991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13000077991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7548546 + ... + 7550267.

It is an arithmetic number, because the mean of its divisors is an integer number (1268300376).

Almost surely, 2^13000077993 is an apocalyptic number.

It is an amenable number.

13000077993 is a deficient number, since it is larger than the sum of its proper divisors (7292728023).

13000077993 is a wasteful number, since it uses less digits than its factorization.

13000077993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15098864.

The product of its (nonzero) digits is 35721, while the sum is 39.

The spelling of 13000077993 in words is "thirteen billion, seventy-seven thousand, nine hundred ninety-three".