12450481 has 2 divisors, whose sum is σ = 12450482. Its totient is φ = 12450480.

The previous prime is 12450469. The next prime is 12450509. The reversal of 12450481 is 18405421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6974881 + 5475600 = 2641^2 + 2340^2 .

It is an emirp because it is prime and its reverse (18405421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12450481 - 2¹¹ = 12448433 is a prime.

It is a super-2 number, since 2×12450481² = 310028954262722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12450421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6225240 + 6225241.

It is an arithmetic number, because the mean of its divisors is an integer number (6225241).

Almost surely, 2^12450481 is an apocalyptic number.

It is an amenable number.

12450481 is a deficient number, since it is larger than the sum of its proper divisors (1).

12450481 is an equidigital number, since it uses as much as digits as its factorization.

12450481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 12450481 is about 3528.5239123464. The cubic root of 12450481 is about 231.7725736520.

It can be divided in two parts, 124 and 50481, that added together give a palindrome (50605).

The spelling of 12450481 in words is "twelve million, four hundred fifty thousand, four hundred eighty-one".