12651255 has 32 divisors (see below), whose sum is σ = 23224320.
Its totient is φ = 6527520.
The previous prime is 12651253. The next prime is 12651257. The reversal of 12651255 is 55215621.
12651255 is a `hidden beast` number, since 1 + 2 + 651 + 2 + 5 + 5 = 666.
12651255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (12651253) and next prime (12651257).
It is not a de Polignac number, because 12651255 - 21 = 12651253 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12651251) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2674 + ... + 5696.
It is an arithmetic number, because the mean of its divisors is an integer number (725760).
Almost surely, 212651255 is an apocalyptic number.
12651255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12651255 is a deficient number, since it is larger than the sum of its proper divisors (10573065).
12651255 is a wasteful number, since it uses less digits than its factorization.
12651255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3068 (or 3062 counting only the distinct ones).
The product of its digits is 3000, while the sum is 27.
The square root of 12651255 is about 3556.8602727687.
The cubic root of 12651255 is about 233.0117758850.
Adding to 12651255 its reverse (55215621), we get a palindrome (67866876).
The spelling of 12651255 in words is "twelve million, six hundred fifty-one thousand, two hundred fifty-five".