12003313 has 4 divisors (see below), whose sum is σ = 13718080. Its totient is φ = 10288548.

The previous prime is 12003289. The next prime is 12003337. The reversal of 12003313 is 31330021.

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: 31330021 = 461 ⋅67961.

It is an interprime number because it is at equal distance from previous prime (12003289) and next prime (12003337).

It is a cyclic number.

It is not a de Polignac number, because 12003313 - 2¹⁷ = 11872241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12003293 and 12003302.

It is not an unprimeable number, because it can be changed into a prime (12003353) 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, 857373 + ... + 857386.

It is an arithmetic number, because the mean of its divisors is an integer number (3429520).

Almost surely, 2^12003313 is an apocalyptic number.

It is an amenable number.

12003313 is a deficient number, since it is larger than the sum of its proper divisors (1714767).

12003313 is an equidigital number, since it uses as much as digits as its factorization.

12003313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714766.

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

The square root of 12003313 is about 3464.5797724977. The cubic root of 12003313 is about 228.9639156736.

Adding to 12003313 its reverse (31330021), we get a palindrome (43333334).

The spelling of 12003313 in words is "twelve million, three thousand, three hundred thirteen".