12502481 has 2 divisors, whose sum is σ = 12502482. Its totient is φ = 12502480.

The previous prime is 12502447. The next prime is 12502489. The reversal of 12502481 is 18420521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9891025 + 2611456 = 3145^2 + 1616^2 .

It is a cyclic number.

It is not a de Polignac number, because 12502481 - 2²² = 8308177 is a prime.

It is a super-2 number, since 2×12502481² = 312624062310722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12502489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6251240 + 6251241.

It is an arithmetic number, because the mean of its divisors is an integer number (6251241).

Almost surely, 2^12502481 is an apocalyptic number.

It is an amenable number.

12502481 is a deficient number, since it is larger than the sum of its proper divisors (1).

12502481 is an equidigital number, since it uses as much as digits as its factorization.

12502481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 12502481 is about 3535.8847549093. The cubic root of 12502481 is about 232.0947950408.

The spelling of 12502481 in words is "twelve million, five hundred two thousand, four hundred eighty-one".