12562663 has 2 divisors, whose sum is σ = 12562664. Its totient is φ = 12562662.

The previous prime is 12562633. The next prime is 12562673. The reversal of 12562663 is 36626521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12562663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12562633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6281331 + 6281332.

It is an arithmetic number, because the mean of its divisors is an integer number (6281332).

Almost surely, 2^12562663 is an apocalyptic number.

12562663 is a deficient number, since it is larger than the sum of its proper divisors (1).

12562663 is an equidigital number, since it uses as much as digits as its factorization.

12562663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 31.

The square root of 12562663 is about 3544.3847138819. The cubic root of 12562663 is about 232.4666032888.

It can be divided in two parts, 12562 and 663, that added together give a square (13225 = 115²).

The spelling of 12562663 in words is "twelve million, five hundred sixty-two thousand, six hundred sixty-three".