12038042 has 4 divisors (see below), whose sum is σ = 18057066. Its totient is φ = 6019020.

The previous prime is 12038041. The next prime is 12038083. The reversal of 12038042 is 24083021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24083021 = 29 ⋅830449.

It can be written as a sum of positive squares in only one way, i.e., 11282881 + 755161 = 3359^2 + 869^2 .

It is not an unprimeable number, because it can be changed into a prime (12038041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3009509 + ... + 3009512.

Almost surely, 2^12038042 is an apocalyptic number.

12038042 is a deficient number, since it is larger than the sum of its proper divisors (6019024).

12038042 is an equidigital number, since it uses as much as digits as its factorization.

12038042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6019023.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 12038042 is about 3469.5881599982. The cubic root of 12038042 is about 229.1845223039.

The spelling of 12038042 in words is "twelve million, thirty-eight thousand, forty-two".