11927998 has 8 divisors (see below), whose sum is σ = 17959320. Its totient is φ = 5941560.

The previous prime is 11927987. The next prime is 11928011. The reversal of 11927998 is 89972911.

It is a happy number.

11927998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10548 + ... + 11623.

It is an arithmetic number, because the mean of its divisors is an integer number (2244915).

Almost surely, 2^11927998 is an apocalyptic number.

11927998 is a deficient number, since it is larger than the sum of its proper divisors (6031322).

11927998 is a wasteful number, since it uses less digits than its factorization.

11927998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22442.

The product of its digits is 81648, while the sum is 46.

The square root of 11927998 is about 3453.6933853485. The cubic root of 11927998 is about 228.4840312072.

The spelling of 11927998 in words is "eleven million, nine hundred twenty-seven thousand, nine hundred ninety-eight".