12128982 has 8 divisors (see below), whose sum is σ = 24257976. Its totient is φ = 4042992.

The previous prime is 12128969. The next prime is 12129017. The reversal of 12128982 is 28982121.

12128982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

12128982 is an admirable number.

It is a super-2 number, since 2×12128982² = 294224408712648, which contains 22 as substring.

It is a congruent number.

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, 1010743 + ... + 1010754.

It is an arithmetic number, because the mean of its divisors is an integer number (3032247).

Almost surely, 2^12128982 is an apocalyptic number.

12128982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12128982 is a wasteful number, since it uses less digits than its factorization.

12128982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021502.

The product of its digits is 4608, while the sum is 33.

The square root of 12128982 is about 3482.6688042362. The cubic root of 12128982 is about 229.7601911347.

The spelling of 12128982 in words is "twelve million, one hundred twenty-eight thousand, nine hundred eighty-two".