12382913 has 4 divisors (see below), whose sum is σ = 12809940. Its totient is φ = 11955888.

The previous prime is 12382907. The next prime is 12383017. The reversal of 12382913 is 31928321.

12382913 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31928321 = 881 ⋅36241.

It can be written as a sum of positive squares in 2 ways, for example, as 4048144 + 8334769 = 2012^2 + 2887^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12382913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 426997 = 12382913 / (1 + 2 + 3 + 8 + 2 + 9 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12382313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213470 + ... + 213527.

It is an arithmetic number, because the mean of its divisors is an integer number (3202485).

Almost surely, 2^12382913 is an apocalyptic number.

It is an amenable number.

12382913 is a deficient number, since it is larger than the sum of its proper divisors (427027).

12382913 is an equidigital number, since it uses as much as digits as its factorization.

12382913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427026.

The product of its digits is 2592, while the sum is 29.

The square root of 12382913 is about 3518.9363449770. The cubic root of 12382913 is about 231.3525410353.

The spelling of 12382913 in words is "twelve million, three hundred eighty-two thousand, nine hundred thirteen".