12576255 has 16 divisors (see below), whose sum is σ = 20194944. Its totient is φ = 6683040.

The previous prime is 12576251. The next prime is 12576257. The reversal of 12576255 is 55267521.

Added to its reverse (55267521) it gives a triangular number (67843776 = T₁₁₆₄₈).

It is not a de Polignac number, because 12576255 - 2² = 12576251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12576251) 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, 3240 + ... + 5970.

It is an arithmetic number, because the mean of its divisors is an integer number (1262184).

Almost surely, 2^12576255 is an apocalyptic number.

12576255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12576255 is a deficient number, since it is larger than the sum of its proper divisors (7618689).

12576255 is a wasteful number, since it uses less digits than its factorization.

12576255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3046.

The product of its digits is 21000, while the sum is 33.

The square root of 12576255 is about 3546.3015946194. The cubic root of 12576255 is about 232.5504110831.

Adding to 12576255 its reverse (55267521), we get a triangular number (67843776 = T₁₁₆₄₈).

The spelling of 12576255 in words is "twelve million, five hundred seventy-six thousand, two hundred fifty-five".