12223767 has 4 divisors (see below), whose sum is σ = 16298360. Its totient is φ = 8149176.

The previous prime is 12223763. The next prime is 12223789. The reversal of 12223767 is 76732221.

12223767 is nontrivially palindromic in base 11.

12223767 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: 76732221 = 3 ⋅25577407.

It is not a de Polignac number, because 12223767 - 2² = 12223763 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223763) 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, 2037292 + ... + 2037297.

It is an arithmetic number, because the mean of its divisors is an integer number (4074590).

Almost surely, 2^12223767 is an apocalyptic number.

12223767 is a deficient number, since it is larger than the sum of its proper divisors (4074593).

12223767 is an equidigital number, since it uses as much as digits as its factorization.

12223767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4074592.

The product of its digits is 7056, while the sum is 30.

The square root of 12223767 is about 3496.2504200929. The cubic root of 12223767 is about 230.3571451990.

Adding to 12223767 its reverse (76732221), we get a palindrome (88955988).

The spelling of 12223767 in words is "twelve million, two hundred twenty-three thousand, seven hundred sixty-seven".