1248663 has 16 divisors (see below), whose sum is σ = 1816416. Its totient is φ = 758400.

The previous prime is 1248641. The next prime is 1248671. The reversal of 1248663 is 3668421.

It is not a de Polignac number, because 1248663 - 2⁵ = 1248631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1248663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3781 + ... + 4097.

It is an arithmetic number, because the mean of its divisors is an integer number (113526).

2^1248663 is an apocalyptic number.

1248663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1248663 is a deficient number, since it is larger than the sum of its proper divisors (567753).

1248663 is a wasteful number, since it uses less digits than its factorization.

1248663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434.

The product of its digits is 6912, while the sum is 30.

The square root of 1248663 is about 1117.4359042021. The cubic root of 1248663 is about 107.6833144112.

The spelling of 1248663 in words is "one million, two hundred forty-eight thousand, six hundred sixty-three".