12812473 has 2 divisors, whose sum is σ = 12812474. Its totient is φ = 12812472.

The previous prime is 12812419. The next prime is 12812489. The reversal of 12812473 is 37421821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8133904 + 4678569 = 2852^2 + 2163^2 .

It is a cyclic number.

It is not a de Polignac number, because 12812473 - 2⁹ = 12811961 is a prime.

It is not a weakly prime, because it can be changed into another prime (12812413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6406236 + 6406237.

It is an arithmetic number, because the mean of its divisors is an integer number (6406237).

Almost surely, 2^12812473 is an apocalyptic number.

It is an amenable number.

12812473 is a deficient number, since it is larger than the sum of its proper divisors (1).

12812473 is an equidigital number, since it uses as much as digits as its factorization.

12812473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 28.

The square root of 12812473 is about 3579.4514942935. The cubic root of 12812473 is about 233.9973762094.

The spelling of 12812473 in words is "twelve million, eight hundred twelve thousand, four hundred seventy-three".