12800013 has 8 divisors (see below), whose sum is σ = 17090976. Its totient is φ = 8521200.

The previous prime is 12800009. The next prime is 12800017. The reversal of 12800013 is 31000821.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12800009) and next prime (12800017).

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

It is not a de Polignac number, because 12800013 - 2² = 12800009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12799965 and 12800001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12800017) 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, 198 + ... + 5063.

It is an arithmetic number, because the mean of its divisors is an integer number (2136372).

Almost surely, 2^12800013 is an apocalyptic number.

It is an amenable number.

12800013 is a deficient number, since it is larger than the sum of its proper divisors (4290963).

12800013 is an equidigital number, since it uses as much as digits as its factorization.

12800013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6075.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 12800013 is about 3577.7105808044. The cubic root of 12800013 is about 233.9214982491.

Adding to 12800013 its reverse (31000821), we get a palindrome (43800834).

The spelling of 12800013 in words is "twelve million, eight hundred thousand, thirteen".