12885149 has 2 divisors, whose sum is σ = 12885150. Its totient is φ = 12885148.

The previous prime is 12885121. The next prime is 12885203. The reversal of 12885149 is 94158821.

12885149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6916900 + 5968249 = 2630^2 + 2443^2 .

It is a cyclic number.

It is not a de Polignac number, because 12885149 - 2¹⁶ = 12819613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12885109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6442574 + 6442575.

It is an arithmetic number, because the mean of its divisors is an integer number (6442575).

Almost surely, 2^12885149 is an apocalyptic number.

It is an amenable number.

12885149 is a deficient number, since it is larger than the sum of its proper divisors (1).

12885149 is an equidigital number, since it uses as much as digits as its factorization.

12885149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 38.

The square root of 12885149 is about 3589.5889736849. The cubic root of 12885149 is about 234.4389755784.

The spelling of 12885149 in words is "twelve million, eight hundred eighty-five thousand, one hundred forty-nine".