12813809899 has 8 divisors (see below), whose sum is σ = 13992734448. Its totient is φ = 11637224160.

The previous prime is 12813809873. The next prime is 12813809903. The reversal of 12813809899 is 99890831821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12813809899 - 2¹⁷ = 12813678827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12813809809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573232 + ... + 595165.

It is an arithmetic number, because the mean of its divisors is an integer number (1749091806).

Almost surely, 2^12813809899 is an apocalyptic number.

12813809899 is a deficient number, since it is larger than the sum of its proper divisors (1178924549).

12813809899 is a wasteful number, since it uses less digits than its factorization.

12813809899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169405.

The product of its (nonzero) digits is 2239488, while the sum is 58.

The spelling of 12813809899 in words is "twelve billion, eight hundred thirteen million, eight hundred nine thousand, eight hundred ninety-nine".