12045080 has 16 divisors (see below), whose sum is σ = 27101520. Its totient is φ = 4818016.

The previous prime is 12045071. The next prime is 12045083. The reversal of 12045080 is 8054021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12045083) 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 3 ways as a sum of consecutive naturals, for example, 150524 + ... + 150603.

It is an arithmetic number, because the mean of its divisors is an integer number (1693845).

Almost surely, 2^12045080 is an apocalyptic number.

12045080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12045080 is an abundant number, since it is smaller than the sum of its proper divisors (15056440).

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

12045080 is a wasteful number, since it uses less digits than its factorization.

12045080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301138 (or 301134 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 12045080 is about 3470.6022532120. The cubic root of 12045080 is about 229.2291775843.

The spelling of 12045080 in words is "twelve million, forty-five thousand, eighty".