12285999 has 20 divisors (see below), whose sum is σ = 20023080. Its totient is φ = 7445520.

The previous prime is 12285997. The next prime is 12286033. The reversal of 12285999 is 99958221.

It is not a de Polignac number, because 12285999 - 2¹ = 12285997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12285997) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6004 + ... + 7785.

It is an arithmetic number, because the mean of its divisors is an integer number (1001154).

Almost surely, 2^12285999 is an apocalyptic number.

12285999 is a deficient number, since it is larger than the sum of its proper divisors (7737081).

12285999 is a wasteful number, since it uses less digits than its factorization.

12285999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13812 (or 13803 counting only the distinct ones).

The product of its digits is 116640, while the sum is 45.

The square root of 12285999 is about 3505.1389416113. The cubic root of 12285999 is about 230.7474047819.

It can be divided in two parts, 1228 and 5999, that added together give a palindrome (7227).

The spelling of 12285999 in words is "twelve million, two hundred eighty-five thousand, nine hundred ninety-nine".