12128692 has 12 divisors (see below), whose sum is σ = 21276640. Its totient is φ = 6049656.

The previous prime is 12128687. The next prime is 12128693. The reversal of 12128692 is 29682121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12128693) 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, 1698 + ... + 5209.

Almost surely, 2^12128692 is an apocalyptic number.

It is an amenable number.

12128692 is a deficient number, since it is larger than the sum of its proper divisors (9147948).

12128692 is a wasteful number, since it uses less digits than its factorization.

12128692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7350 (or 7348 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 12128692 is about 3482.6271692502. The cubic root of 12128692 is about 229.7583599563.

The spelling of 12128692 in words is "twelve million, one hundred twenty-eight thousand, six hundred ninety-two".