12303013 has 4 divisors (see below), whose sum is σ = 12950560. Its totient is φ = 11655468.

The previous prime is 12302977. The next prime is 12303017. The reversal of 12303013 is 31030321.

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.

It is a cyclic number.

It is not a de Polignac number, because 12303013 - 2²¹ = 10205861 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 12302984 and 12303002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303017) 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, 323745 + ... + 323782.

It is an arithmetic number, because the mean of its divisors is an integer number (3237640).

Almost surely, 2^12303013 is an apocalyptic number.

It is an amenable number.

12303013 is a deficient number, since it is larger than the sum of its proper divisors (647547).

12303013 is an equidigital number, since it uses as much as digits as its factorization.

12303013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647546.

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

The square root of 12303013 is about 3507.5651098732. The cubic root of 12303013 is about 230.8538708357.

Adding to 12303013 its reverse (31030321), we get a palindrome (43333334).

The spelling of 12303013 in words is "twelve million, three hundred three thousand, thirteen".