12045270 has 32 divisors (see below), whose sum is σ = 29111040. Its totient is φ = 3189600.

The previous prime is 12045269. The next prime is 12045277. The reversal of 12045270 is 7254021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12045277) 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, 3201 + ... + 5859.

It is an arithmetic number, because the mean of its divisors is an integer number (909720).

Almost surely, 2^12045270 is an apocalyptic number.

12045270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12045270 is an abundant number, since it is smaller than the sum of its proper divisors (17065770).

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

12045270 is a wasteful number, since it uses less digits than its factorization.

12045270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 12045270 is about 3470.6296258748. The cubic root of 12045270 is about 229.2303828708.

Adding to 12045270 its reverse (7254021), we get a palindrome (19299291).

The spelling of 12045270 in words is "twelve million, forty-five thousand, two hundred seventy".