12285243 has 32 divisors (see below), whose sum is σ = 19322880. Its totient is φ = 7698240.

The previous prime is 12285239. The next prime is 12285253. The reversal of 12285243 is 34258221.

It is not a de Polignac number, because 12285243 - 2² = 12285239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12285253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45198 + ... + 45468.

It is an arithmetic number, because the mean of its divisors is an integer number (603840).

Almost surely, 2^12285243 is an apocalyptic number.

12285243 is a deficient number, since it is larger than the sum of its proper divisors (7037637).

12285243 is a wasteful number, since it uses less digits than its factorization.

12285243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376 (or 370 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 12285243 is about 3505.0310982929. The cubic root of 12285243 is about 230.7426717896.

The spelling of 12285243 in words is "twelve million, two hundred eighty-five thousand, two hundred forty-three".