12981255 has 16 divisors (see below), whose sum is σ = 23737344. Its totient is φ = 5934240.

The previous prime is 12981253. The next prime is 12981263. The reversal of 12981255 is 55218921.

It is not a de Polignac number, because 12981255 - 2¹ = 12981253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12981253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61711 + ... + 61920.

It is an arithmetic number, because the mean of its divisors is an integer number (1483584).

Almost surely, 2^12981255 is an apocalyptic number.

12981255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12981255 is a deficient number, since it is larger than the sum of its proper divisors (10756089).

12981255 is a wasteful number, since it uses less digits than its factorization.

12981255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123646.

The product of its digits is 7200, while the sum is 33.

The square root of 12981255 is about 3602.9508739365. The cubic root of 12981255 is about 235.0203996174.

The spelling of 12981255 in words is "twelve million, nine hundred eighty-one thousand, two hundred fifty-five".