12051140 has 24 divisors (see below), whose sum is σ = 25787160. Its totient is φ = 4729088.

The previous prime is 12051139. The next prime is 12051167. The reversal of 12051140 is 4115021.

It can be written as a sum of positive squares in 4 ways, for example, as 2515396 + 9535744 = 1586^2 + 3088^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4625 + ... + 6744.

It is an arithmetic number, because the mean of its divisors is an integer number (1074465).

Almost surely, 2^12051140 is an apocalyptic number.

12051140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12051140 is an abundant number, since it is smaller than the sum of its proper divisors (13736020).

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

12051140 is a wasteful number, since it uses less digits than its factorization.

12051140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11431 (or 11429 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 12051140 is about 3471.4751907510. The cubic root of 12051140 is about 229.2676136351.

Adding to 12051140 its reverse (4115021), we get a palindrome (16166161).

The spelling of 12051140 in words is "twelve million, fifty-one thousand, one hundred forty".