12480481 has 6 divisors (see below), whose sum is σ = 13514550. Its totient is φ = 11520288.

The previous prime is 12480463. The next prime is 12480487. The reversal of 12480481 is 18408421.

It can be written as a sum of positive squares in 3 ways, for example, as 640000 + 11840481 = 800^2 + 3441^2 .

It is not a de Polignac number, because 12480481 - 2⁹ = 12479969 is a prime.

It is a super-2 number, since 2×12480481² = 311524811982722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12480487) 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, 36756 + ... + 37093.

It is an arithmetic number, because the mean of its divisors is an integer number (2252425).

Almost surely, 2^12480481 is an apocalyptic number.

It is an amenable number.

12480481 is a deficient number, since it is larger than the sum of its proper divisors (1034069).

12480481 is an equidigital number, since it uses as much as digits as its factorization.

12480481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73875 (or 73862 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 12480481 is about 3532.7724240319. The cubic root of 12480481 is about 231.9585798528.

The spelling of 12480481 in words is "twelve million, four hundred eighty thousand, four hundred eighty-one".