12016917 has 20 divisors (see below), whose sum is σ = 19584576. Its totient is φ = 7282440.

The previous prime is 12016891. The next prime is 12016931. The reversal of 12016917 is 71961021.

It is not a de Polignac number, because 12016917 - 2⁷ = 12016789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12016717) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5853 + ... + 7634.

Almost surely, 2^12016917 is an apocalyptic number.

It is an amenable number.

12016917 is a deficient number, since it is larger than the sum of its proper divisors (7567659).

12016917 is a wasteful number, since it uses less digits than its factorization.

12016917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13510 (or 13501 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 12016917 is about 3466.5425138025. The cubic root of 12016917 is about 229.0503820549.

Adding to 12016917 its reverse (71961021), we get a palindrome (83977938).

It can be divided in two parts, 1201 and 6917, that added together give a palindrome (8118).

The spelling of 12016917 in words is "twelve million, sixteen thousand, nine hundred seventeen".