12859801 has 4 divisors (see below), whose sum is σ = 12867712. Its totient is φ = 12851892.

The previous prime is 12859799. The next prime is 12859807. The reversal of 12859801 is 10895821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10895821 = 1511 ⋅7211.

It is a cyclic number.

It is not a de Polignac number, because 12859801 - 2¹ = 12859799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12859807) 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, 525 + ... + 5098.

It is an arithmetic number, because the mean of its divisors is an integer number (3216928).

Almost surely, 2^12859801 is an apocalyptic number.

It is an amenable number.

12859801 is a deficient number, since it is larger than the sum of its proper divisors (7911).

12859801 is an equidigital number, since it uses as much as digits as its factorization.

12859801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7910.

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 12859801 is about 3586.0564691594. The cubic root of 12859801 is about 234.2851431780.

The spelling of 12859801 in words is "twelve million, eight hundred fifty-nine thousand, eight hundred one".