12245481 has 18 divisors (see below), whose sum is σ = 18672810. Its totient is φ = 7731936.

The previous prime is 12245479. The next prime is 12245501. The reversal of 12245481 is 18454221.

It can be written as a sum of positive squares in only one way, i.e., 11696400 + 549081 = 3420^2 + 741^2 .

It is not a de Polignac number, because 12245481 - 2¹ = 12245479 is a prime.

It is a super-2 number, since 2×12245481² = 299903609842722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12245461) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1365 + ... + 5133.

Almost surely, 2^12245481 is an apocalyptic number.

It is an amenable number.

12245481 is a deficient number, since it is larger than the sum of its proper divisors (6427329).

12245481 is a wasteful number, since it uses less digits than its factorization.

12245481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813 (or 3791 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 12245481 is about 3499.3543690229. The cubic root of 12245481 is about 230.4934647743.

The spelling of 12245481 in words is "twelve million, two hundred forty-five thousand, four hundred eighty-one".