12755580 has 24 divisors (see below), whose sum is σ = 35715792. Its totient is φ = 3401472.

The previous prime is 12755579. The next prime is 12755581. The reversal of 12755580 is 8555721.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12755579) and next prime (12755581).

It is a super-3 number, since 3×12755580³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12755581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106237 + ... + 106356.

It is an arithmetic number, because the mean of its divisors is an integer number (1488158).

Almost surely, 2^12755580 is an apocalyptic number.

12755580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12755580 is an abundant number, since it is smaller than the sum of its proper divisors (22960212).

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

12755580 is a wasteful number, since it uses less digits than its factorization.

12755580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212605 (or 212603 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 33.

The square root of 12755580 is about 3571.4954850874. The cubic root of 12755580 is about 233.6505119627.

The spelling of 12755580 in words is "twelve million, seven hundred fifty-five thousand, five hundred eighty".