12486457 has 2 divisors, whose sum is σ = 12486458. Its totient is φ = 12486456.

The previous prime is 12486407. The next prime is 12486473. The reversal of 12486457 is 75468421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12467961 + 18496 = 3531^2 + 136^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12486457 is a prime.

It is not a weakly prime, because it can be changed into another prime (12486407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6243228 + 6243229.

It is an arithmetic number, because the mean of its divisors is an integer number (6243229).

Almost surely, 2^12486457 is an apocalyptic number.

It is an amenable number.

12486457 is a deficient number, since it is larger than the sum of its proper divisors (1).

12486457 is an equidigital number, since it uses as much as digits as its factorization.

12486457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 37.

The square root of 12486457 is about 3533.6181174541. The cubic root of 12486457 is about 231.9955966762.

The spelling of 12486457 in words is "twelve million, four hundred eighty-six thousand, four hundred fifty-seven".