12020237 has 8 divisors (see below), whose sum is σ = 12602304. Its totient is φ = 11443168.

The previous prime is 12020231. The next prime is 12020249. The reversal of 12020237 is 73202021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12020237 - 2⁴ = 12020221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020231) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4238 + ... + 6480.

It is an arithmetic number, because the mean of its divisors is an integer number (1575288).

Almost surely, 2^12020237 is an apocalyptic number.

It is an amenable number.

12020237 is a deficient number, since it is larger than the sum of its proper divisors (582067).

12020237 is a wasteful number, since it uses less digits than its factorization.

12020237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2499.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 12020237 is about 3467.0213440358. The cubic root of 12020237 is about 229.0714739109.

Adding to 12020237 its reverse (73202021), we get a palindrome (85222258).

The spelling of 12020237 in words is "twelve million, twenty thousand, two hundred thirty-seven".