11887898 has 16 divisors (see below), whose sum is σ = 19868544. Its totient is φ = 5288160.

The previous prime is 11887891. The next prime is 11887919. The reversal of 11887898 is 89878811.

11887898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11887891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4715 + ... + 6782.

It is an arithmetic number, because the mean of its divisors is an integer number (1241784).

Almost surely, 2^11887898 is an apocalyptic number.

11887898 is a deficient number, since it is larger than the sum of its proper divisors (7980646).

11887898 is a wasteful number, since it uses less digits than its factorization.

11887898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11557.

The product of its digits is 258048, while the sum is 50.

The square root of 11887898 is about 3447.8831186686. The cubic root of 11887898 is about 228.2277016270.

The spelling of 11887898 in words is "eleven million, eight hundred eighty-seven thousand, eight hundred ninety-eight".