12129088 has 14 divisors (see below), whose sum is σ = 24068786. Its totient is φ = 6064512.

The previous prime is 12129083. The next prime is 12129101. The reversal of 12129088 is 88092121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11778624 + 350464 = 3432^2 + 592^2 .

It is a super-2 number, since 2×12129088² = 294229551423488, which contains 22 as substring.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12129083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94695 + ... + 94822.

It is an arithmetic number, because the mean of its divisors is an integer number (1719199).

Almost surely, 2^12129088 is an apocalyptic number.

It is an amenable number.

12129088 is a deficient number, since it is larger than the sum of its proper divisors (11939698).

12129088 is an equidigital number, since it uses as much as digits as its factorization.

12129088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189529 (or 189519 counting only the distinct ones).

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

The square root of 12129088 is about 3482.6840224172. The cubic root of 12129088 is about 229.7608604546.

The spelling of 12129088 in words is "twelve million, one hundred twenty-nine thousand, eighty-eight".