11917107 has 6 divisors (see below), whose sum is σ = 17213612. Its totient is φ = 7944732.

The previous prime is 11917099. The next prime is 11917109. The reversal of 11917107 is 70171911.

It is not a de Polignac number, because 11917107 - 2³ = 11917099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11917109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 662053 + ... + 662070.

Almost surely, 2^11917107 is an apocalyptic number.

11917107 is a deficient number, since it is larger than the sum of its proper divisors (5296505).

11917107 is a wasteful number, since it uses less digits than its factorization.

11917107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324129 (or 1324126 counting only the distinct ones).

The product of its (nonzero) digits is 441, while the sum is 27.

The square root of 11917107 is about 3452.1163074265. The cubic root of 11917107 is about 228.4144700138.

The spelling of 11917107 in words is "eleven million, nine hundred seventeen thousand, one hundred seven".