12088917 has 12 divisors (see below), whose sum is σ = 17833920. Its totient is φ = 7887528.

The previous prime is 12088907. The next prime is 12088933. The reversal of 12088917 is 71988021.

It is not a de Polignac number, because 12088917 - 2⁷ = 12088789 is a prime.

It is a super-2 number, since 2×12088917² = 292283828465778, which contains 22 as substring.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12088907) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 13867 + ... + 14712.

It is an arithmetic number, because the mean of its divisors is an integer number (1486160).

Almost surely, 2^12088917 is an apocalyptic number.

It is an amenable number.

12088917 is a deficient number, since it is larger than the sum of its proper divisors (5745003).

12088917 is a wasteful number, since it uses less digits than its factorization.

12088917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28632 (or 28629 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The square root of 12088917 is about 3476.9119919837. The cubic root of 12088917 is about 229.5069273259.

The spelling of 12088917 in words is "twelve million, eighty-eight thousand, nine hundred seventeen".