1246563 has 16 divisors (see below), whose sum is σ = 1865760. Its totient is φ = 822528.

The previous prime is 1246561. The next prime is 1246573. The reversal of 1246563 is 3656421.

1246563 is a `hidden beast` number, since 1 + 2 + 4 + 656 + 3 = 666.

It is not a de Polignac number, because 1246563 - 2¹ = 1246561 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1246561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3531 + ... + 3867.

It is an arithmetic number, because the mean of its divisors is an integer number (116610).

2^1246563 is an apocalyptic number.

1246563 is a deficient number, since it is larger than the sum of its proper divisors (619197).

1246563 is a wasteful number, since it uses less digits than its factorization.

1246563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483 (or 477 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 1246563 is about 1116.4958575830. The cubic root of 1246563 is about 107.6229133129.

The spelling of 1246563 in words is "one million, two hundred forty-six thousand, five hundred sixty-three".