12129466 has 8 divisors (see below), whose sum is σ = 19264500. Its totient is φ = 5707968.

The previous prime is 12129419. The next prime is 12129473. The reversal of 12129466 is 66492121.

12129466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10426441 + 1703025 = 3229^2 + 1305^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178341 + ... + 178408.

Almost surely, 2^12129466 is an apocalyptic number.

12129466 is a deficient number, since it is larger than the sum of its proper divisors (7135034).

12129466 is a wasteful number, since it uses less digits than its factorization.

12129466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356768.

The product of its digits is 5184, while the sum is 31.

The square root of 12129466 is about 3482.7382904835. The cubic root of 12129466 is about 229.7632472431.

The spelling of 12129466 in words is "twelve million, one hundred twenty-nine thousand, four hundred sixty-six".