12005790 has 32 divisors (see below), whose sum is σ = 29008800. Its totient is φ = 3179904.

The previous prime is 12005789. The next prime is 12005801. The reversal of 12005790 is 9750021.

It is a self number, because there is not a number n which added to its sum of digits gives 12005790.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3436 + ... + 5984.

It is an arithmetic number, because the mean of its divisors is an integer number (906525).

Almost surely, 2^12005790 is an apocalyptic number.

12005790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12005790 is an abundant number, since it is smaller than the sum of its proper divisors (17003010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12005790 is a wasteful number, since it uses less digits than its factorization.

12005790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 12005790 is about 3464.9372288687. The cubic root of 12005790 is about 228.9796642316.

The spelling of 12005790 in words is "twelve million, five thousand, seven hundred ninety".