12042237 has 8 divisors (see below), whose sum is σ = 16085440. Its totient is φ = 8013600.

The previous prime is 12042197. The next prime is 12042241. The reversal of 12042237 is 73224021.

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

It is not a de Polignac number, because 12042237 - 2⁷ = 12042109 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 (12042287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1537 + ... + 5142.

It is an arithmetic number, because the mean of its divisors is an integer number (2010680).

Almost surely, 2^12042237 is an apocalyptic number.

It is an amenable number.

12042237 is a deficient number, since it is larger than the sum of its proper divisors (4043203).

12042237 is an equidigital number, since it uses as much as digits as its factorization.

12042237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7283.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 12042237 is about 3470.1926459492. The cubic root of 12042237 is about 229.2111411791.

Adding to 12042237 its reverse (73224021), we get a palindrome (85266258).

The spelling of 12042237 in words is "twelve million, forty-two thousand, two hundred thirty-seven".