12020670 has 48 divisors (see below), whose sum is σ = 32207760. Its totient is φ = 3190320.

The previous prime is 12020647. The next prime is 12020681. The reversal of 12020670 is 7602021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 56865 + ... + 57075.

It is an arithmetic number, because the mean of its divisors is an integer number (670995).

Almost surely, 2^12020670 is an apocalyptic number.

12020670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12020670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16103880).

12020670 is an abundant number, since it is smaller than the sum of its proper divisors (20187090).

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

12020670 is an equidigital number, since it uses as much as digits as its factorization.

12020670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 12020670 is about 3467.0837890077. The cubic root of 12020670 is about 229.0742244600.

Adding to 12020670 its reverse (7602021), we get a palindrome (19622691).

The spelling of 12020670 in words is "twelve million, twenty thousand, six hundred seventy".