12045834 has 20 divisors (see below), whose sum is σ = 26991954. Its totient is φ = 4015224.

The previous prime is 12045833. The next prime is 12045851. The reversal of 12045834 is 43854021.

It can be written as a sum of positive squares in only one way, i.e., 11881809 + 164025 = 3447^2 + 405^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 12045798 and 12045807.

It is not an unprimeable number, because it can be changed into a prime (12045833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 37017 + ... + 37340.

Almost surely, 2^12045834 is an apocalyptic number.

12045834 is an abundant number, since it is smaller than the sum of its proper divisors (14946120).

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

12045834 is an equidigital number, since it uses as much as digits as its factorization.

12045834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74371 (or 74362 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 12045834 is about 3470.7108781920. The cubic root of 12045834 is about 229.2339605937.

Adding to 12045834 its reverse (43854021), we get a palindrome (55899855).

It can be divided in two parts, 120 and 45834, that added together give a palindrome (45954).

The spelling of 12045834 in words is "twelve million, forty-five thousand, eight hundred thirty-four".