12108029 has 4 divisors (see below), whose sum is σ = 12820284. Its totient is φ = 11395776.

The previous prime is 12108017. The next prime is 12108037. The reversal of 12108029 is 92080121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92080121 = 7 ⋅13154303.

It can be written as a sum of positive squares in 2 ways, for example, as 3523129 + 8584900 = 1877^2 + 2930^2 .

It is a cyclic number.

It is not a de Polignac number, because 12108029 - 2²⁰ = 11059453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12107995 and 12108013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12108329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356102 + ... + 356135.

It is an arithmetic number, because the mean of its divisors is an integer number (3205071).

Almost surely, 2^12108029 is an apocalyptic number.

It is an amenable number.

12108029 is a deficient number, since it is larger than the sum of its proper divisors (712255).

12108029 is an equidigital number, since it uses as much as digits as its factorization.

12108029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712254.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 12108029 is about 3479.6593224050. The cubic root of 12108029 is about 229.6278101393.

The spelling of 12108029 in words is "twelve million, one hundred eight thousand, twenty-nine".