12266129 has 8 divisors (see below), whose sum is σ = 13339368. Its totient is φ = 11232000.

The previous prime is 12266123. The next prime is 12266171. The reversal of 12266129 is 92166221.

It is a happy number.

12266129 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 4 ways, for example, as 6150400 + 6115729 = 2480^2 + 2473^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12266129 - 2¹⁶ = 12200593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12266123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9122 + ... + 10379.

It is an arithmetic number, because the mean of its divisors is an integer number (1667421).

Almost surely, 2^12266129 is an apocalyptic number.

It is an amenable number.

12266129 is a deficient number, since it is larger than the sum of its proper divisors (1073239).

12266129 is a wasteful number, since it uses less digits than its factorization.

12266129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19555.

The product of its digits is 2592, while the sum is 29.

The square root of 12266129 is about 3502.3033849168. The cubic root of 12266129 is about 230.6229426500.

The spelling of 12266129 in words is "twelve million, two hundred sixty-six thousand, one hundred twenty-nine".