12871699 has 4 divisors (see below), whose sum is σ = 12904200. Its totient is φ = 12839200.

The previous prime is 12871673. The next prime is 12871709. The reversal of 12871699 is 99617821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99617821 = 4721 ⋅21101.

It is a cyclic number.

It is not a de Polignac number, because 12871699 - 2¹¹ = 12869651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12871399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15649 + ... + 16450.

It is an arithmetic number, because the mean of its divisors is an integer number (3226050).

Almost surely, 2^12871699 is an apocalyptic number.

12871699 is a deficient number, since it is larger than the sum of its proper divisors (32501).

12871699 is an equidigital number, since it uses as much as digits as its factorization.

12871699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32500.

The product of its digits is 54432, while the sum is 43.

The square root of 12871699 is about 3587.7150109784. The cubic root of 12871699 is about 234.3573751250.

The spelling of 12871699 in words is "twelve million, eight hundred seventy-one thousand, six hundred ninety-nine".