12020830 has 16 divisors (see below), whose sum is σ = 21677184. Its totient is φ = 4799520.

The previous prime is 12020759. The next prime is 12020851. The reversal of 12020830 is 3802021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9304 + ... + 10516.

It is an arithmetic number, because the mean of its divisors is an integer number (1354824).

Almost surely, 2^12020830 is an apocalyptic number.

12020830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020830 is a deficient number, since it is larger than the sum of its proper divisors (9656354).

12020830 is a wasteful number, since it uses less digits than its factorization.

12020830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 12020830 is about 3467.1068630776. The cubic root of 12020830 is about 229.0752408125.

Adding to 12020830 its reverse (3802021), we get a palindrome (15822851).

The spelling of 12020830 in words is "twelve million, twenty thousand, eight hundred thirty".