12088129 has 4 divisors (see below), whose sum is σ = 12101076. Its totient is φ = 12075184.

The previous prime is 12088127. The next prime is 12088147. The reversal of 12088129 is 92188021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3908529 + 8179600 = 1977^2 + 2860^2 .

It is a cyclic number.

It is not a de Polignac number, because 12088129 - 2¹ = 12088127 is a prime.

It is a super-2 number, since 2×12088129² = 292245725441282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12088129.

It is not an unprimeable number, because it can be changed into a prime (12088127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4954 + ... + 6979.

It is an arithmetic number, because the mean of its divisors is an integer number (3025269).

Almost surely, 2^12088129 is an apocalyptic number.

It is an amenable number.

12088129 is a deficient number, since it is larger than the sum of its proper divisors (12947).

12088129 is a wasteful number, since it uses less digits than its factorization.

12088129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12946.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 12088129 is about 3476.7986711916. The cubic root of 12088129 is about 229.5019405161.

The spelling of 12088129 in words is "twelve million, eighty-eight thousand, one hundred twenty-nine".