12004313 has 4 divisors (see below), whose sum is σ = 12058368. Its totient is φ = 11950260.

The previous prime is 12004309. The next prime is 12004319. The reversal of 12004313 is 31340021.

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: 31340021 = 97 ⋅323093.

It is a cyclic number.

It is not a de Polignac number, because 12004313 - 2² = 12004309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12004319) 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, 26693 + ... + 27138.

It is an arithmetic number, because the mean of its divisors is an integer number (3014592).

Almost surely, 2^12004313 is an apocalyptic number.

It is an amenable number.

12004313 is a deficient number, since it is larger than the sum of its proper divisors (54055).

12004313 is an equidigital number, since it uses as much as digits as its factorization.

12004313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54054.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 12004313 is about 3464.7240871388. The cubic root of 12004313 is about 228.9702738504.

Adding to 12004313 its reverse (31340021), we get a palindrome (43344334).

The spelling of 12004313 in words is "twelve million, four thousand, three hundred thirteen".