11989107 has 16 divisors (see below), whose sum is σ = 19128480. Its totient is φ = 7377696.

The previous prime is 11989099. The next prime is 11989121. The reversal of 11989107 is 70198911.

It is not a de Polignac number, because 11989107 - 2³ = 11989099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11989177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16728 + ... + 17429.

It is an arithmetic number, because the mean of its divisors is an integer number (1195530).

Almost surely, 2^11989107 is an apocalyptic number.

11989107 is a deficient number, since it is larger than the sum of its proper divisors (7139373).

11989107 is a wasteful number, since it uses less digits than its factorization.

11989107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34179 (or 34173 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 36.

The square root of 11989107 is about 3462.5289890483. The cubic root of 11989107 is about 228.8735532486.

The spelling of 11989107 in words is "eleven million, nine hundred eighty-nine thousand, one hundred seven".