12800113 has 8 divisors (see below), whose sum is σ = 13192232. Its totient is φ = 12410496.

The previous prime is 12800087. The next prime is 12800131. The reversal of 12800113 is 31100821.

It can be written as a sum of positive squares in 4 ways, for example, as 7656289 + 5143824 = 2767^2 + 2268^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12800113 - 2²¹ = 10702961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12800153) 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, 16531 + ... + 17287.

It is an arithmetic number, because the mean of its divisors is an integer number (1649029).

Almost surely, 2^12800113 is an apocalyptic number.

It is an amenable number.

12800113 is a deficient number, since it is larger than the sum of its proper divisors (392119).

12800113 is an equidigital number, since it uses as much as digits as its factorization.

12800113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 12800113 is about 3577.7245561949. The cubic root of 12800113 is about 233.9221074175.

Adding to 12800113 its reverse (31100821), we get a palindrome (43900934).

The spelling of 12800113 in words is "twelve million, eight hundred thousand, one hundred thirteen".