12946149 has 20 divisors (see below), whose sum is σ = 19442764. Its totient is φ = 8584704.

The previous prime is 12946147. The next prime is 12946169. The reversal of 12946149 is 94164921.

It is a happy number.

12946149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8661249 + 4284900 = 2943^2 + 2070^2 .

It is not a de Polignac number, because 12946149 - 2¹ = 12946147 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 (12946147) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22149 + ... + 22725.

Almost surely, 2^12946149 is an apocalyptic number.

It is an amenable number.

12946149 is a deficient number, since it is larger than the sum of its proper divisors (6496615).

12946149 is an equidigital number, since it uses as much as digits as its factorization.

12946149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866 (or 857 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 12946149 is about 3598.0757357232. The cubic root of 12946149 is about 234.8083483455.

The spelling of 12946149 in words is "twelve million, nine hundred forty-six thousand, one hundred forty-nine".