11873999 has 2 divisors, whose sum is σ = 11874000. Its totient is φ = 11873998.

The previous prime is 11873989. The next prime is 11874001. The reversal of 11873999 is 99937811.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11873999 is a prime.

Together with 11874001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11873989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5936999 + 5937000.

It is an arithmetic number, because the mean of its divisors is an integer number (5937000).

Almost surely, 2^11873999 is an apocalyptic number.

11873999 is a deficient number, since it is larger than the sum of its proper divisors (1).

11873999 is an equidigital number, since it uses as much as digits as its factorization.

11873999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 47.

The square root of 11873999 is about 3445.8669446164. The cubic root of 11873999 is about 228.1387211113.

The spelling of 11873999 in words is "eleven million, eight hundred seventy-three thousand, nine hundred ninety-nine".