12287223 has 12 divisors (see below), whose sum is σ = 19113640. Its totient is φ = 7561296.

The previous prime is 12287201. The next prime is 12287269. The reversal of 12287223 is 32278221.

It is a happy number.

It is not a de Polignac number, because 12287223 - 2⁶ = 12287159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12287273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52393 + ... + 52626.

Almost surely, 2^12287223 is an apocalyptic number.

12287223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12287223 is a deficient number, since it is larger than the sum of its proper divisors (6826417).

12287223 is a wasteful number, since it uses less digits than its factorization.

12287223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105038 (or 105035 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 12287223 is about 3505.3135380448. The cubic root of 12287223 is about 230.7550673102.

The spelling of 12287223 in words is "twelve million, two hundred eighty-seven thousand, two hundred twenty-three".