104321213 has 4 divisors (see below), whose sum is σ = 104650620. Its totient is φ = 103991808.

The previous prime is 104321201. The next prime is 104321221. The reversal of 104321213 is 312123401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13271449 + 91049764 = 3643^2 + 9542^2 .

It is a cyclic number.

It is not a de Polignac number, because 104321213 - 2¹⁴ = 104304829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104321191 and 104321200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104321233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164228 + ... + 164861.

It is an arithmetic number, because the mean of its divisors is an integer number (26162655).

Almost surely, 2^104321213 is an apocalyptic number.

It is an amenable number.

104321213 is a deficient number, since it is larger than the sum of its proper divisors (329407).

104321213 is an equidigital number, since it uses as much as digits as its factorization.

104321213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329406.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 104321213 is about 10213.7756486032. The cubic root of 104321213 is about 470.7505933254.

Adding to 104321213 its reverse (312123401), we get a palindrome (416444614).

The spelling of 104321213 in words is "one hundred four million, three hundred twenty-one thousand, two hundred thirteen".