12405255 has 16 divisors (see below), whose sum is σ = 20122080. Its totient is φ = 6524928.

The previous prime is 12405221. The next prime is 12405269. The reversal of 12405255 is 55250421.

It is a happy number.

12405255 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12405255 - 2⁸ = 12404999 is a prime.

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, 4570 + ... + 6759.

It is an arithmetic number, because the mean of its divisors is an integer number (1257630).

Almost surely, 2^12405255 is an apocalyptic number.

12405255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12405255 is a deficient number, since it is larger than the sum of its proper divisors (7716825).

12405255 is a wasteful number, since it uses less digits than its factorization.

12405255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11410.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 12405255 is about 3522.1094531545. The cubic root of 12405255 is about 231.4915975162.

Adding to 12405255 its reverse (55250421), we get a palindrome (67655676).

The spelling of 12405255 in words is "twelve million, four hundred five thousand, two hundred fifty-five".