12020343 has 16 divisors (see below), whose sum is σ = 17519616. Its totient is φ = 7297920.

The previous prime is 12020341. The next prime is 12020363. The reversal of 12020343 is 34302021.

It is not a de Polignac number, because 12020343 - 2¹ = 12020341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2221 + ... + 5382.

It is an arithmetic number, because the mean of its divisors is an integer number (1094976).

Almost surely, 2^12020343 is an apocalyptic number.

12020343 is a deficient number, since it is larger than the sum of its proper divisors (5499273).

12020343 is a wasteful number, since it uses less digits than its factorization.

12020343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7654.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 12020343 is about 3467.0366308997. The cubic root of 12020343 is about 229.0721472616.

Adding to 12020343 its reverse (34302021), we get a palindrome (46322364).

The spelling of 12020343 in words is "twelve million, twenty thousand, three hundred forty-three".