12285790 has 32 divisors (see below), whose sum is σ = 24499584. Its totient is φ = 4398240.

The previous prime is 12285731. The next prime is 12285797. The reversal of 12285790 is 9758221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12285797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6537 + ... + 8203.

It is an arithmetic number, because the mean of its divisors is an integer number (765612).

Almost surely, 2^12285790 is an apocalyptic number.

12285790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12285790 is a deficient number, since it is larger than the sum of its proper divisors (12213794).

12285790 is a wasteful number, since it uses less digits than its factorization.

12285790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 12285790 is about 3505.1091281157. The cubic root of 12285790 is about 230.7460963418.

The spelling of 12285790 in words is "twelve million, two hundred eighty-five thousand, seven hundred ninety".