12882157 has 4 divisors (see below), whose sum is σ = 13074496. Its totient is φ = 12689820.

The previous prime is 12882151. The next prime is 12882161. The reversal of 12882157 is 75128821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75128821 = 29 ⋅2590649.

It is a cyclic number.

It is not a de Polignac number, because 12882157 - 2¹⁹ = 12357869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12882151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96069 + ... + 96202.

It is an arithmetic number, because the mean of its divisors is an integer number (3268624).

Almost surely, 2^12882157 is an apocalyptic number.

It is an amenable number.

12882157 is a deficient number, since it is larger than the sum of its proper divisors (192339).

12882157 is an equidigital number, since it uses as much as digits as its factorization.

12882157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192338.

The product of its digits is 8960, while the sum is 34.

The square root of 12882157 is about 3589.1721886808. The cubic root of 12882157 is about 234.4208281822.

The spelling of 12882157 in words is "twelve million, eight hundred eighty-two thousand, one hundred fifty-seven".