11673999 has 24 divisors (see below), whose sum is σ = 17886960. Its totient is φ = 7316352.

The previous prime is 11673989. The next prime is 11674031. The reversal of 11673999 is 99937611.

It is not a de Polignac number, because 11673999 - 2⁸ = 11673743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11673989) 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 23 ways as a sum of consecutive naturals, for example, 39697 + ... + 39989.

It is an arithmetic number, because the mean of its divisors is an integer number (745290).

Almost surely, 2^11673999 is an apocalyptic number.

11673999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11673999 is a deficient number, since it is larger than the sum of its proper divisors (6212961).

11673999 is a wasteful number, since it uses less digits than its factorization.

11673999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 548 counting only the distinct ones).

The product of its digits is 91854, while the sum is 45.

The square root of 11673999 is about 3416.7234304228. The cubic root of 11673999 is about 226.8505747445.

The spelling of 11673999 in words is "eleven million, six hundred seventy-three thousand, nine hundred ninety-nine".