12930255 has 72 divisors (see below), whose sum is σ = 26024544. Its totient is φ = 5892480.

The previous prime is 12930221. The next prime is 12930257. The reversal of 12930255 is 55203921.

It is not a de Polignac number, because 12930255 - 2⁸ = 12929999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12930257) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 417090 + ... + 417120.

It is an arithmetic number, because the mean of its divisors is an integer number (361452).

Almost surely, 2^12930255 is an apocalyptic number.

12930255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12930255 is an abundant number, since it is smaller than the sum of its proper divisors (13094289).

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

12930255 is a wasteful number, since it uses less digits than its factorization.

12930255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 12930255 is about 3595.8663768277. The cubic root of 12930255 is about 234.7122175139.

The spelling of 12930255 in words is "twelve million, nine hundred thirty thousand, two hundred fifty-five".