11751998 has 8 divisors (see below), whose sum is σ = 18664992. Its totient is φ = 5530336.

The previous prime is 11751967. The next prime is 11752003. The reversal of 11751998 is 89915711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 172790 + ... + 172857.

It is an arithmetic number, because the mean of its divisors is an integer number (2333124).

Almost surely, 2^11751998 is an apocalyptic number.

11751998 is a deficient number, since it is larger than the sum of its proper divisors (6912994).

11751998 is a wasteful number, since it uses less digits than its factorization.

11751998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345666.

The product of its digits is 22680, while the sum is 41.

The square root of 11751998 is about 3428.1187260654. The cubic root of 11751998 is about 227.3546823850.

The spelling of 11751998 in words is "eleven million, seven hundred fifty-one thousand, nine hundred ninety-eight".