12052457 has 4 divisors (see below), whose sum is σ = 12163140. Its totient is φ = 11941776.

The previous prime is 12052433. The next prime is 12052471. The reversal of 12052457 is 75425021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75425021 = 7 ⋅10775003.

It can be written as a sum of positive squares in 2 ways, for example, as 8826841 + 3225616 = 2971^2 + 1796^2 .

It is a cyclic number.

It is not a de Polignac number, because 12052457 - 2¹⁰ = 12051433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12052357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55178 + ... + 55395.

It is an arithmetic number, because the mean of its divisors is an integer number (3040785).

Almost surely, 2^12052457 is an apocalyptic number.

It is an amenable number.

12052457 is a deficient number, since it is larger than the sum of its proper divisors (110683).

12052457 is a wasteful number, since it uses less digits than its factorization.

12052457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110682.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 12052457 is about 3471.6648743794. The cubic root of 12052457 is about 229.2759651119.

Adding to 12052457 its reverse (75425021), we get a palindrome (87477478).

The spelling of 12052457 in words is "twelve million, fifty-two thousand, four hundred fifty-seven".