12042722 has 8 divisors (see below), whose sum is σ = 18080172. Its totient is φ = 6016000.

The previous prime is 12042721. The next prime is 12042739. The reversal of 12042722 is 22724021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10699441 + 1343281 = 3271^2 + 1159^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12042694 and 12042703.

It is not an unprimeable number, because it can be changed into a prime (12042721) 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 3 ways as a sum of consecutive naturals, for example, 1322 + ... + 5082.

Almost surely, 2^12042722 is an apocalyptic number.

12042722 is a deficient number, since it is larger than the sum of its proper divisors (6037450).

12042722 is a wasteful number, since it uses less digits than its factorization.

12042722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5364.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 12042722 is about 3470.2625260922. The cubic root of 12042722 is about 229.2142182904.

Adding to 12042722 its reverse (22724021), we get a palindrome (34766743).

The spelling of 12042722 in words is "twelve million, forty-two thousand, seven hundred twenty-two".