1146663 has 16 divisors (see below), whose sum is σ = 1941760. Its totient is φ = 655128.

The previous prime is 1146661. The next prime is 1146671. The reversal of 1146663 is 3666411.

It is not a de Polignac number, because 1146663 - 2¹ = 1146661 is a prime.

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

It is a Duffinian number.

1146663 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2845 + ... + 3222.

It is an arithmetic number, because the mean of its divisors is an integer number (121360).

2^1146663 is an apocalyptic number.

1146663 is a deficient number, since it is larger than the sum of its proper divisors (795097).

1146663 is an equidigital number, since it uses as much as digits as its factorization.

1146663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6083 (or 6077 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 1146663 is about 1070.8235148707. The cubic root of 1146663 is about 104.6675197482.

The spelling of 1146663 in words is "one million, one hundred forty-six thousand, six hundred sixty-three".