12042254 has 32 divisors (see below), whose sum is σ = 21427200. Its totient is φ = 4969440.

The previous prime is 12042253. The next prime is 12042263. The reversal of 12042254 is 45224021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50267 + ... + 50505.

It is an arithmetic number, because the mean of its divisors is an integer number (669600).

Almost surely, 2^12042254 is an apocalyptic number.

12042254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12042254 is a deficient number, since it is larger than the sum of its proper divisors (9384946).

12042254 is a wasteful number, since it uses less digits than its factorization.

12042254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 12042254 is about 3470.1950953801. The cubic root of 12042254 is about 229.2112490380.

Adding to 12042254 its reverse (45224021), we get a palindrome (57266275).

The spelling of 12042254 in words is "twelve million, forty-two thousand, two hundred fifty-four".