11888998 has 16 divisors (see below), whose sum is σ = 19514880. Its totient is φ = 5387400.

The previous prime is 11888983. The next prime is 11889011. The reversal of 11888998 is 89988811.

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 7 ways as a sum of consecutive naturals, for example, 9043 + ... + 10273.

It is an arithmetic number, because the mean of its divisors is an integer number (1219680).

Almost surely, 2^11888998 is an apocalyptic number.

11888998 is a deficient number, since it is larger than the sum of its proper divisors (7625882).

11888998 is a wasteful number, since it uses less digits than its factorization.

11888998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683.

The product of its digits is 331776, while the sum is 52.

The square root of 11888998 is about 3448.0426331471. The cubic root of 11888998 is about 228.2347407949.

The spelling of 11888998 in words is "eleven million, eight hundred eighty-eight thousand, nine hundred ninety-eight".