12263217 has 4 divisors (see below), whose sum is σ = 16350960. Its totient is φ = 8175476.

The previous prime is 12263183. The next prime is 12263261. The reversal of 12263217 is 71236221.

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 12263217 - 2⁷ = 12263089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12263267) 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, 2043867 + ... + 2043872.

It is an arithmetic number, because the mean of its divisors is an integer number (4087740).

Almost surely, 2^12263217 is an apocalyptic number.

It is an amenable number.

12263217 is a deficient number, since it is larger than the sum of its proper divisors (4087743).

12263217 is an equidigital number, since it uses as much as digits as its factorization.

12263217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4087742.

The product of its digits is 1008, while the sum is 24.

The square root of 12263217 is about 3501.8876338341. The cubic root of 12263217 is about 230.6046911120.

Adding to 12263217 its reverse (71236221), we get a palindrome (83499438).

The spelling of 12263217 in words is "twelve million, two hundred sixty-three thousand, two hundred seventeen".