12003057 has 24 divisors (see below), whose sum is σ = 19027008. Its totient is φ = 7231200.

The previous prime is 12003011. The next prime is 12003073. The reversal of 12003057 is 75030021.

12003057 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12003057 - 2²⁰ = 10954481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12003007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25807 + ... + 26267.

It is an arithmetic number, because the mean of its divisors is an integer number (792792).

Almost surely, 2^12003057 is an apocalyptic number.

It is an amenable number.

12003057 is a deficient number, since it is larger than the sum of its proper divisors (7023951).

12003057 is a wasteful number, since it uses less digits than its factorization.

12003057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 12003057 is about 3464.5428269831. The cubic root of 12003057 is about 228.9622879236.

Adding to 12003057 its reverse (75030021), we get a palindrome (87033078).

The spelling of 12003057 in words is "twelve million, three thousand, fifty-seven".