12089434 has 32 divisors (see below), whose sum is σ = 22302720. Its totient is φ = 4799088.

The previous prime is 12089423. The next prime is 12089437. The reversal of 12089434 is 43498021.

12089434 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×12089434⁴ (a number of 29 digits) contains 4444 as substring.

12089434 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 12089396 and 12089405.

It is not an unprimeable number, because it can be changed into a prime (12089437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12019 + ... + 12985.

It is an arithmetic number, because the mean of its divisors is an integer number (696960).

Almost surely, 2^12089434 is an apocalyptic number.

12089434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12089434 is a deficient number, since it is larger than the sum of its proper divisors (10213286).

12089434 is a wasteful number, since it uses less digits than its factorization.

12089434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 12089434 is about 3476.9863387710. The cubic root of 12089434 is about 229.5101990110.

The spelling of 12089434 in words is "twelve million, eighty-nine thousand, four hundred thirty-four".