12429141 has 4 divisors (see below), whose sum is σ = 16572192. Its totient is φ = 8286092.

The previous prime is 12429127. The next prime is 12429143. The reversal of 12429141 is 14192421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14192421 = 3 ⋅4730807.

It is a cyclic number.

It is not a de Polignac number, because 12429141 - 2⁹ = 12428629 is a prime.

It is a Curzon number.

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, 2071521 + ... + 2071526.

It is an arithmetic number, because the mean of its divisors is an integer number (4143048).

Almost surely, 2^12429141 is an apocalyptic number.

It is an amenable number.

12429141 is a deficient number, since it is larger than the sum of its proper divisors (4143051).

12429141 is an equidigital number, since it uses as much as digits as its factorization.

12429141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4143050.

The product of its digits is 576, while the sum is 24.

The square root of 12429141 is about 3525.4986881291. The cubic root of 12429141 is about 231.6400793002.

The spelling of 12429141 in words is "twelve million, four hundred twenty-nine thousand, one hundred forty-one".