12800073 has 16 divisors (see below), whose sum is σ = 20051136. Its totient is φ = 7160640.

The previous prime is 12800071. The next prime is 12800087. The reversal of 12800073 is 37000821.

It is not a de Polignac number, because 12800073 - 2¹ = 12800071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12800071) 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, 14490 + ... + 15347.

It is an arithmetic number, because the mean of its divisors is an integer number (1253196).

Almost surely, 2^12800073 is an apocalyptic number.

12800073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12800073 is a deficient number, since it is larger than the sum of its proper divisors (7251063).

12800073 is a wasteful number, since it uses less digits than its factorization.

12800073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29864.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 12800073 is about 3577.7189660453. The cubic root of 12800073 is about 233.9218637505.

Adding to 12800073 its reverse (37000821), we get a palindrome (49800894).

The spelling of 12800073 in words is "twelve million, eight hundred thousand, seventy-three".