12884149 has 4 divisors (see below), whose sum is σ = 13328460. Its totient is φ = 12439840.

The previous prime is 12884129. The next prime is 12884159. The reversal of 12884149 is 94148821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9579025 + 3305124 = 3095^2 + 1818^2 .

It is not a de Polignac number, because 12884149 - 2¹¹ = 12882101 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 (12884119) 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, 222112 + ... + 222169.

It is an arithmetic number, because the mean of its divisors is an integer number (3332115).

Almost surely, 2^12884149 is an apocalyptic number.

It is an amenable number.

12884149 is a deficient number, since it is larger than the sum of its proper divisors (444311).

12884149 is an equidigital number, since it uses as much as digits as its factorization.

12884149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444310.

The product of its digits is 18432, while the sum is 37.

The square root of 12884149 is about 3589.4496792684. The cubic root of 12884149 is about 234.4329105848.

The spelling of 12884149 in words is "twelve million, eight hundred eighty-four thousand, one hundred forty-nine".