12429133 has 4 divisors (see below), whose sum is σ = 12512700. Its totient is φ = 12345568.

The previous prime is 12429127. The next prime is 12429143. The reversal of 12429133 is 33192421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33192421 = 1237 ⋅26833.

It can be written as a sum of positive squares in 2 ways, for example, as 1119364 + 11309769 = 1058^2 + 3363^2 .

It is a cyclic number.

It is not a de Polignac number, because 12429133 - 2¹⁷ = 12298061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12429098 and 12429107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12429143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41560 + ... + 41857.

It is an arithmetic number, because the mean of its divisors is an integer number (3128175).

Almost surely, 2^12429133 is an apocalyptic number.

It is an amenable number.

12429133 is a deficient number, since it is larger than the sum of its proper divisors (83567).

12429133 is an equidigital number, since it uses as much as digits as its factorization.

12429133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83566.

The product of its digits is 1296, while the sum is 25.

The square root of 12429133 is about 3525.4975535377. The cubic root of 12429133 is about 231.6400296019.

The spelling of 12429133 in words is "twelve million, four hundred twenty-nine thousand, one hundred thirty-three".