12280255 has 8 divisors (see below), whose sum is σ = 15869952. Its totient is φ = 9068448.

The previous prime is 12280249. The next prime is 12280271. The reversal of 12280255 is 55208221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12280255 - 2⁵ = 12280223 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 7 ways as a sum of consecutive naturals, for example, 94399 + ... + 94528.

It is an arithmetic number, because the mean of its divisors is an integer number (1983744).

Almost surely, 2^12280255 is an apocalyptic number.

12280255 is a deficient number, since it is larger than the sum of its proper divisors (3589697).

12280255 is a wasteful number, since it uses less digits than its factorization.

12280255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188945.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 12280255 is about 3504.3194774449. The cubic root of 12280255 is about 230.7114391894.

Adding to 12280255 its reverse (55208221), we get a palindrome (67488476).

The spelling of 12280255 in words is "twelve million, two hundred eighty thousand, two hundred fifty-five".