12052280 has 32 divisors (see below), whose sum is σ = 27224640. Its totient is φ = 4801920.

The previous prime is 12052279. The next prime is 12052283. The reversal of 12052280 is 8225021.

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 (12052283) 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, 14270 + ... + 15090.

It is an arithmetic number, because the mean of its divisors is an integer number (850770).

Almost surely, 2^12052280 is an apocalyptic number.

12052280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12052280 is an abundant number, since it is smaller than the sum of its proper divisors (15172360).

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

12052280 is a wasteful number, since it uses less digits than its factorization.

12052280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199 (or 1195 counting only the distinct ones).

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

The square root of 12052280 is about 3471.6393821940. The cubic root of 12052280 is about 229.2748427393.

The spelling of 12052280 in words is "twelve million, fifty-two thousand, two hundred eighty".