12848581 has 4 divisors (see below), whose sum is σ = 12858700. Its totient is φ = 12838464.

The previous prime is 12848573. The next prime is 12848587. The reversal of 12848581 is 18584821.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 18584821 = 53 ⋅350657.

It can be written as a sum of positive squares in 2 ways, for example, as 6300100 + 6548481 = 2510^2 + 2559^2 .

It is a cyclic number.

It is not a de Polignac number, because 12848581 - 2³ = 12848573 is a prime.

It is a super-2 number, since 2×12848581² = 330172067427122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12848581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12848587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2826 + ... + 5803.

It is an arithmetic number, because the mean of its divisors is an integer number (3214675).

Almost surely, 2^12848581 is an apocalyptic number.

It is an amenable number.

12848581 is a deficient number, since it is larger than the sum of its proper divisors (10119).

12848581 is an equidigital number, since it uses as much as digits as its factorization.

12848581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10118.

The product of its digits is 20480, while the sum is 37.

The square root of 12848581 is about 3584.4917352395. The cubic root of 12848581 is about 234.2169864941.

The spelling of 12848581 in words is "twelve million, eight hundred forty-eight thousand, five hundred eighty-one".