12451255 has 4 divisors (see below), whose sum is σ = 14941512. Its totient is φ = 9961000.

The previous prime is 12451253. The next prime is 12451261. The reversal of 12451255 is 55215421.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12451255 - 2¹ = 12451253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12451253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1245121 + ... + 1245130.

It is an arithmetic number, because the mean of its divisors is an integer number (3735378).

Almost surely, 2^12451255 is an apocalyptic number.

12451255 is a deficient number, since it is larger than the sum of its proper divisors (2490257).

12451255 is an equidigital number, since it uses as much as digits as its factorization.

12451255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490256.

The product of its digits is 2000, while the sum is 25.

The square root of 12451255 is about 3528.6335882321. The cubic root of 12451255 is about 231.7773763648. Note that the first 3 decimals are identical.

Adding to 12451255 its reverse (55215421), we get a palindrome (67666676).

It can be divided in two parts, 1245 and 1255, that added together give a square (2500 = 50²).

The spelling of 12451255 in words is "twelve million, four hundred fifty-one thousand, two hundred fifty-five".