12052840 has 32 divisors (see below), whose sum is σ = 28548000. Its totient is φ = 4567104.

The previous prime is 12052837. The next prime is 12052841. The reversal of 12052840 is 4825021.

It is not an unprimeable number, because it can be changed into a prime (12052841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7170 + ... + 8689.

It is an arithmetic number, because the mean of its divisors is an integer number (892125).

Almost surely, 2^12052840 is an apocalyptic number.

12052840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12052840 is an abundant number, since it is smaller than the sum of its proper divisors (16495160).

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

12052840 is a wasteful number, since it uses less digits than its factorization.

12052840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15889 (or 15885 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 12052840 is about 3471.7200347954. The cubic root of 12052840 is about 229.2783937112.

Adding to 12052840 its reverse (4825021), we get a palindrome (16877861).

The spelling of 12052840 in words is "twelve million, fifty-two thousand, eight hundred forty".