12128074 has 16 divisors (see below), whose sum is σ = 21077568. Its totient is φ = 5126112.

The previous prime is 12128071. The next prime is 12128113. The reversal of 12128074 is 47082121.

It is a happy number.

12128074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12128071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4912 + ... + 6955.

It is an arithmetic number, because the mean of its divisors is an integer number (1317348).

Almost surely, 2^12128074 is an apocalyptic number.

12128074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12128074 is a deficient number, since it is larger than the sum of its proper divisors (8949494).

12128074 is a wasteful number, since it uses less digits than its factorization.

12128074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11949.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 12128074 is about 3482.5384419989. The cubic root of 12128074 is about 229.7544575548.

The spelling of 12128074 in words is "twelve million, one hundred twenty-eight thousand, seventy-four".