1244663 has 8 divisors (see below), whose sum is σ = 1429920. Its totient is φ = 1061280.

The previous prime is 1244647. The next prime is 1244687. The reversal of 1244663 is 3664421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1244663 - 2⁴ = 1244647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1553 + ... + 2213.

It is an arithmetic number, because the mean of its divisors is an integer number (178740).

2^1244663 is an apocalyptic number.

1244663 is a deficient number, since it is larger than the sum of its proper divisors (185257).

1244663 is an equidigital number, since it uses as much as digits as its factorization.

1244663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937.

The product of its digits is 3456, while the sum is 26.

The square root of 1244663 is about 1115.6446566896. The cubic root of 1244663 is about 107.5682062198.

The spelling of 1244663 in words is "one million, two hundred forty-four thousand, six hundred sixty-three".