12255481 has 16 divisors (see below), whose sum is σ = 14736384. Its totient is φ = 9964944.

The previous prime is 12255479. The next prime is 12255499. The reversal of 12255481 is 18455221.

12255481 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12255481 - 2¹ = 12255479 is a prime.

It is a super-2 number, since 2×12255481² = 300393629082722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12255431) 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, 26010 + ... + 26476.

It is an arithmetic number, because the mean of its divisors is an integer number (921024).

Almost surely, 2^12255481 is an apocalyptic number.

It is an amenable number.

12255481 is a deficient number, since it is larger than the sum of its proper divisors (2480903).

12255481 is a wasteful number, since it uses less digits than its factorization.

12255481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660.

The product of its digits is 3200, while the sum is 28.

The square root of 12255481 is about 3500.7829124354. The cubic root of 12255481 is about 230.5561901586.

The spelling of 12255481 in words is "twelve million, two hundred fifty-five thousand, four hundred eighty-one".