12032090 has 32 divisors (see below), whose sum is σ = 26210304. Its totient is φ = 3882240.

The previous prime is 12032089. The next prime is 12032143. The reversal of 12032090 is 9023021.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3866 + ... + 6245.

It is an arithmetic number, because the mean of its divisors is an integer number (819072).

Almost surely, 2^12032090 is an apocalyptic number.

12032090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12032090 is an abundant number, since it is smaller than the sum of its proper divisors (14178214).

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

12032090 is a wasteful number, since it uses less digits than its factorization.

12032090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10142.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 12032090 is about 3468.7303152595. The cubic root of 12032090 is about 229.1467439797.

The spelling of 12032090 in words is "twelve million, thirty-two thousand, ninety".