11673903 has 16 divisors (see below), whose sum is σ = 16321536. Its totient is φ = 7407840.

The previous prime is 11673899. The next prime is 11673913. The reversal of 11673903 is 30937611.

It is not a de Polignac number, because 11673903 - 2² = 11673899 is a prime.

It is a super-2 number, since 2×11673903² = 272560022506818, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11673913) 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, 25093 + ... + 25553.

It is an arithmetic number, because the mean of its divisors is an integer number (1020096).

Almost surely, 2^11673903 is an apocalyptic number.

11673903 is a deficient number, since it is larger than the sum of its proper divisors (4647633).

11673903 is a wasteful number, since it uses less digits than its factorization.

11673903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 11673903 is about 3416.7093818468. The cubic root of 11673903 is about 226.8499529149.

The spelling of 11673903 in words is "eleven million, six hundred seventy-three thousand, nine hundred three".