12000542 has 4 divisors (see below), whose sum is σ = 18000816. Its totient is φ = 6000270.

The previous prime is 12000523. The next prime is 12000551. The reversal of 12000542 is 24500021.

It is a semiprime because it is the product of two primes.

12000542 is a modest number, since divided by 542 gives 120 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000134 + ... + 3000137.

It is an arithmetic number, because the mean of its divisors is an integer number (4500204).

Almost surely, 2^12000542 is an apocalyptic number.

12000542 is a deficient number, since it is larger than the sum of its proper divisors (6000274).

12000542 is an equidigital number, since it uses as much as digits as its factorization.

12000542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000273.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 12000542 is about 3464.1798452159. The cubic root of 12000542 is about 228.9462953205.

Adding to 12000542 its reverse (24500021), we get a palindrome (36500563).

The spelling of 12000542 in words is "twelve million, five hundred forty-two", and thus it is an aban number.