12054642 has 8 divisors (see below), whose sum is σ = 24109296. Its totient is φ = 4018212.

The previous prime is 12054631. The next prime is 12054643. The reversal of 12054642 is 24645021.

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

12054642 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12054643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1004548 + ... + 1004559.

It is an arithmetic number, because the mean of its divisors is an integer number (3013662).

Almost surely, 2^12054642 is an apocalyptic number.

12054642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12054642 is a wasteful number, since it uses less digits than its factorization.

12054642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009112.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 12054642 is about 3471.9795506310. The cubic root of 12054642 is about 229.2898194851.

Adding to 12054642 its reverse (24645021), we get a palindrome (36699663).

The spelling of 12054642 in words is "twelve million, fifty-four thousand, six hundred forty-two".