12003345 has 48 divisors (see below), whose sum is σ = 22276800. Its totient is φ = 5961600.

The previous prime is 12003337. The next prime is 12003349. The reversal of 12003345 is 54330021.

It is not a de Polignac number, because 12003345 - 2³ = 12003337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12003349) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86286 + ... + 86424.

It is an arithmetic number, because the mean of its divisors is an integer number (464100).

Almost surely, 2^12003345 is an apocalyptic number.

12003345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12003345 is a deficient number, since it is larger than the sum of its proper divisors (10273455).

12003345 is a wasteful number, since it uses less digits than its factorization.

12003345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 12003345 is about 3464.5843906593. The cubic root of 12003345 is about 228.9641191407.

Adding to 12003345 its reverse (54330021), we get a palindrome (66333366).

The spelling of 12003345 in words is "twelve million, three thousand, three hundred forty-five".