12299481 has 6 divisors (see below), whose sum is σ = 17765930. Its totient is φ = 8199648.

The previous prime is 12299473. The next prime is 12299501. The reversal of 12299481 is 18499221.

12299481 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9865881 + 2433600 = 3141^2 + 1560^2 .

It is not a de Polignac number, because 12299481 - 2³ = 12299473 is a prime.

It is a super-2 number, since 2×12299481² = 302554465738722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12299461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 683296 + ... + 683313.

Almost surely, 2^12299481 is an apocalyptic number.

It is an amenable number.

12299481 is a deficient number, since it is larger than the sum of its proper divisors (5466449).

12299481 is a wasteful number, since it uses less digits than its factorization.

12299481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366615 (or 1366612 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 12299481 is about 3507.0615905627. The cubic root of 12299481 is about 230.8317772257.

The spelling of 12299481 in words is "twelve million, two hundred ninety-nine thousand, four hundred eighty-one".