12033542 has 4 divisors (see below), whose sum is σ = 18050316. Its totient is φ = 6016770.

The previous prime is 12033533. The next prime is 12033557. The reversal of 12033542 is 24533021.

It is a happy number.

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

It is a super-2 number, since 2×12033542² = 289612266131528, which contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3008384 + ... + 3008387.

It is an arithmetic number, because the mean of its divisors is an integer number (4512579).

Almost surely, 2^12033542 is an apocalyptic number.

12033542 is a deficient number, since it is larger than the sum of its proper divisors (6016774).

12033542 is an equidigital number, since it uses as much as digits as its factorization.

12033542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6016773.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 12033542 is about 3468.9396074305. The cubic root of 12033542 is about 229.1559612116.

Adding to 12033542 its reverse (24533021), we get a palindrome (36566563).

The spelling of 12033542 in words is "twelve million, thirty-three thousand, five hundred forty-two".