12226783 has 4 divisors (see below), whose sum is σ = 12341160. Its totient is φ = 12112408.

The previous prime is 12226771. The next prime is 12226787. The reversal of 12226783 is 38762221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38762221 = 43 ⋅901447.

It is a cyclic number.

It is not a de Polignac number, because 12226783 - 2²¹ = 10129631 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12226787) 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, 57028 + ... + 57241.

It is an arithmetic number, because the mean of its divisors is an integer number (3085290).

Almost surely, 2^12226783 is an apocalyptic number.

12226783 is a deficient number, since it is larger than the sum of its proper divisors (114377).

12226783 is a wasteful number, since it uses less digits than its factorization.

12226783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114376.

The product of its digits is 8064, while the sum is 31.

The square root of 12226783 is about 3496.6817127099. The cubic root of 12226783 is about 230.3760891688.

The spelling of 12226783 in words is "twelve million, two hundred twenty-six thousand, seven hundred eighty-three".