12103313 has 4 divisors (see below), whose sum is σ = 12629568. Its totient is φ = 11577060.

The previous prime is 12103279. The next prime is 12103331. The reversal of 12103313 is 31330121.

12103313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12103313 - 2⁶ = 12103249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12103363) 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, 263093 + ... + 263138.

It is an arithmetic number, because the mean of its divisors is an integer number (3157392).

Almost surely, 2^12103313 is an apocalyptic number.

It is an amenable number.

12103313 is a deficient number, since it is larger than the sum of its proper divisors (526255).

12103313 is an equidigital number, since it uses as much as digits as its factorization.

12103313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526254.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 12103313 is about 3478.9816038605. The cubic root of 12103313 is about 229.5979934124.

Adding to 12103313 its reverse (31330121), we get a palindrome (43433434).

The spelling of 12103313 in words is "twelve million, one hundred three thousand, three hundred thirteen".