12827449 has 4 divisors (see below), whose sum is σ = 12858340. Its totient is φ = 12796560.

The previous prime is 12827443. The next prime is 12827461. The reversal of 12827449 is 94472821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94472821 = 421 ⋅224401.

It can be written as a sum of positive squares in 2 ways, for example, as 2310400 + 10517049 = 1520^2 + 3243^2 .

It is a cyclic number.

It is not a de Polignac number, because 12827449 - 2⁹ = 12826937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12827443) 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, 14814 + ... + 15655.

It is an arithmetic number, because the mean of its divisors is an integer number (3214585).

Almost surely, 2^12827449 is an apocalyptic number.

It is an amenable number.

12827449 is a deficient number, since it is larger than the sum of its proper divisors (30891).

12827449 is an equidigital number, since it uses as much as digits as its factorization.

12827449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30890.

The product of its digits is 32256, while the sum is 37.

The square root of 12827449 is about 3581.5428239796. The cubic root of 12827449 is about 234.0885108464.

The spelling of 12827449 in words is "twelve million, eight hundred twenty-seven thousand, four hundred forty-nine".