12042458 has 8 divisors (see below), whose sum is σ = 18083520. Its totient is φ = 6014620.

The previous prime is 12042449. The next prime is 12042461. The reversal of 12042458 is 85424021.

It is a happy number.

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

It is an unprimeable number.

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, 578 + ... + 4941.

It is an arithmetic number, because the mean of its divisors is an integer number (2260440).

Almost surely, 2^12042458 is an apocalyptic number.

12042458 is a deficient number, since it is larger than the sum of its proper divisors (6041062).

12042458 is a wasteful number, since it uses less digits than its factorization.

12042458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6612.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 12042458 is about 3470.2244884157. The cubic root of 12042458 is about 229.2125433370.

Adding to 12042458 its reverse (85424021), we get a palindrome (97466479).

The spelling of 12042458 in words is "twelve million, forty-two thousand, four hundred fifty-eight".