12813283 has 4 divisors (see below), whose sum is σ = 14643760. Its totient is φ = 10982808.

The previous prime is 12813263. The next prime is 12813301. The reversal of 12813283 is 38231821.

12813283 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 an emirpimes, since its reverse is a distinct semiprime: 38231821 = 47 ⋅813443.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12813283 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (12813253) 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, 915228 + ... + 915241.

It is an arithmetic number, because the mean of its divisors is an integer number (3660940).

Almost surely, 2^12813283 is an apocalyptic number.

12813283 is a deficient number, since it is larger than the sum of its proper divisors (1830477).

12813283 is an equidigital number, since it uses as much as digits as its factorization.

12813283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830476.

The product of its digits is 2304, while the sum is 28.

The square root of 12813283 is about 3579.5646383324. The cubic root of 12813283 is about 234.0023071826.

The spelling of 12813283 in words is "twelve million, eight hundred thirteen thousand, two hundred eighty-three".