12020650 has 24 divisors (see below), whose sum is σ = 22882464. Its totient is φ = 4695600.

The previous prime is 12020647. The next prime is 12020681. The reversal of 12020650 is 5602021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 646 + ... + 4945.

It is an arithmetic number, because the mean of its divisors is an integer number (953436).

Almost surely, 2^12020650 is an apocalyptic number.

12020650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020650 is a deficient number, since it is larger than the sum of its proper divisors (10861814).

12020650 is a wasteful number, since it uses less digits than its factorization.

12020650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5646 (or 5641 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 12020650 is about 3467.0809047382. The cubic root of 12020650 is about 229.0740974153.

Adding to 12020650 its reverse (5602021), we get a palindrome (17622671).

The spelling of 12020650 in words is "twelve million, twenty thousand, six hundred fifty".