12882538 has 4 divisors (see below), whose sum is σ = 19323810. Its totient is φ = 6441268.

The previous prime is 12882533. The next prime is 12882539. The reversal of 12882538 is 83528821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83528821 = 151 ⋅553171.

It can be written as a sum of positive squares in only one way, i.e., 6796449 + 6086089 = 2607^2 + 2467^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12882497 and 12882506.

It is not an unprimeable number, because it can be changed into a prime (12882533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3220633 + ... + 3220636.

Almost surely, 2^12882538 is an apocalyptic number.

12882538 is a deficient number, since it is larger than the sum of its proper divisors (6441272).

12882538 is an equidigital number, since it uses as much as digits as its factorization.

12882538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6441271.

The product of its digits is 30720, while the sum is 37.

The square root of 12882538 is about 3589.2252645940. The cubic root of 12882538 is about 234.4231392200.

The spelling of 12882538 in words is "twelve million, eight hundred eighty-two thousand, five hundred thirty-eight".