12803806015 has 32 divisors (see below), whose sum is σ = 20629357056. Its totient is φ = 7367621760.

The previous prime is 12803805997. The next prime is 12803806039. The reversal of 12803806015 is 51060830821.

It is not a de Polignac number, because 12803806015 - 2⁹ = 12803805503 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1274097 + ... + 1284106.

It is an arithmetic number, because the mean of its divisors is an integer number (644667408).

Almost surely, 2^12803806015 is an apocalyptic number.

12803806015 is a deficient number, since it is larger than the sum of its proper divisors (7825551041).

12803806015 is a wasteful number, since it uses less digits than its factorization.

12803806015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558239.

The product of its (nonzero) digits is 11520, while the sum is 34.

It can be divided in two parts, 12803 and 806015, that added together give a palindrome (818818).

The spelling of 12803806015 in words is "twelve billion, eight hundred three million, eight hundred six thousand, fifteen".