1230313 has 4 divisors (see below), whose sum is σ = 1406080. Its totient is φ = 1054548.

The previous prime is 1230311. The next prime is 1230329. The reversal of 1230313 is 3130321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3130321 = 271 ⋅11551.

It is a cyclic number.

It is not a de Polignac number, because 1230313 - 2¹ = 1230311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1230293 and 1230302.

It is not an unprimeable number, because it can be changed into a prime (1230311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87873 + ... + 87886.

It is an arithmetic number, because the mean of its divisors is an integer number (351520).

2^1230313 is an apocalyptic number.

It is an amenable number.

1230313 is a deficient number, since it is larger than the sum of its proper divisors (175767).

1230313 is an equidigital number, since it uses as much as digits as its factorization.

1230313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175766.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1230313 is about 1109.1947529627. The cubic root of 1230313 is about 107.1532145754.

Adding to 1230313 its reverse (3130321), we get a palindrome (4360634).

The spelling of 1230313 in words is "one million, two hundred thirty thousand, three hundred thirteen".