1213301 has 2 divisors, whose sum is σ = 1213302.
Its totient is φ = 1213300.
The previous prime is 1213271. The next prime is 1213327. The reversal of 1213301 is 1033121.
Adding to 1213301 its reverse (1033121), we get a palindrome (2246422).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 792100 + 421201 = 890^2 + 649^2
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1213301 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1213601) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606650 + 606651.
It is an arithmetic number, because the mean of its divisors is an integer number (606651).
21213301 is an apocalyptic number.
It is an amenable number.
1213301 is a deficient number, since it is larger than the sum of its proper divisors (1).
1213301 is an equidigital number, since it uses as much as digits as its factorization.
1213301 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 18, while the sum is 11.
The square root of 1213301 is about 1101.4994325918.
The cubic root of 1213301 is about 106.6570379763.
The spelling of 1213301 in words is "one million, two hundred thirteen thousand, three hundred one".