12442057 has 8 divisors (see below), whose sum is σ = 13037760. Its totient is φ = 11850960.

The previous prime is 12442051. The next prime is 12442069. The reversal of 12442057 is 75024421.

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

It is a cyclic number.

It is not a de Polignac number, because 12442057 - 2¹¹ = 12440009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12442051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5182 + ... + 7192.

It is an arithmetic number, because the mean of its divisors is an integer number (1629720).

Almost surely, 2^12442057 is an apocalyptic number.

It is an amenable number.

12442057 is a deficient number, since it is larger than the sum of its proper divisors (595703).

12442057 is a wasteful number, since it uses less digits than its factorization.

12442057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 12442057 is about 3527.3300100784. The cubic root of 12442057 is about 231.7202893890.

Adding to 12442057 its reverse (75024421), we get a palindrome (87466478).

The spelling of 12442057 in words is "twelve million, four hundred forty-two thousand, fifty-seven".