11673603 has 12 divisors (see below), whose sum is σ = 16913520. Its totient is φ = 7758576.

The previous prime is 11673601. The next prime is 11673617. The reversal of 11673603 is 30637611.

It is not a de Polignac number, because 11673603 - 2¹ = 11673601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11673601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1425 + ... + 5037.

It is an arithmetic number, because the mean of its divisors is an integer number (1409460).

Almost surely, 2^11673603 is an apocalyptic number.

11673603 is a deficient number, since it is larger than the sum of its proper divisors (5239917).

11673603 is a wasteful number, since it uses less digits than its factorization.

11673603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3978 (or 3975 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 11673603 is about 3416.6654796746. The cubic root of 11673603 is about 226.8480096754.

The spelling of 11673603 in words is "eleven million, six hundred seventy-three thousand, six hundred three".