12520255 has 16 divisors (see below), whose sum is σ = 16477344. Its totient is φ = 9057280.

The previous prime is 12520247. The next prime is 12520271. The reversal of 12520255 is 55202521.

12520255 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12520255 - 2³ = 12520247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12327 + ... + 13303.

It is an arithmetic number, because the mean of its divisors is an integer number (1029834).

Almost surely, 2^12520255 is an apocalyptic number.

12520255 is a deficient number, since it is larger than the sum of its proper divisors (3957089).

12520255 is a wasteful number, since it uses less digits than its factorization.

12520255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 12520255 is about 3538.3972360378. The cubic root of 12520255 is about 232.2047278762.

Adding to 12520255 its reverse (55202521), we get a palindrome (67722776).

The spelling of 12520255 in words is "twelve million, five hundred twenty thousand, two hundred fifty-five".