12929149 has 2 divisors, whose sum is σ = 12929150. Its totient is φ = 12929148.

The previous prime is 12929143. The next prime is 12929167. The reversal of 12929149 is 94192921.

12929149 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., 7193124 + 5736025 = 2682^2 + 2395^2 .

It is an emirp because it is prime and its reverse (94192921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12929149 - 2³ = 12929141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12929141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6464574 + 6464575.

It is an arithmetic number, because the mean of its divisors is an integer number (6464575).

Almost surely, 2^12929149 is an apocalyptic number.

It is an amenable number.

12929149 is a deficient number, since it is larger than the sum of its proper divisors (1).

12929149 is an equidigital number, since it uses as much as digits as its factorization.

12929149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 37.

The square root of 12929149 is about 3595.7125858444. The cubic root of 12929149 is about 234.7055252222.

The spelling of 12929149 in words is "twelve million, nine hundred twenty-nine thousand, one hundred forty-nine".