12017013 has 8 divisors (see below), whose sum is σ = 16104000. Its totient is φ = 7970688.

The previous prime is 12017003. The next prime is 12017021. The reversal of 12017013 is 31071021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12017013 - 2¹⁴ = 12000629 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12016983 and 12017001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12017003) 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, 9468 + ... + 10661.

It is an arithmetic number, because the mean of its divisors is an integer number (2013000).

Almost surely, 2^12017013 is an apocalyptic number.

It is an amenable number.

12017013 is a deficient number, since it is larger than the sum of its proper divisors (4086987).

12017013 is a wasteful number, since it uses less digits than its factorization.

12017013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20331.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 12017013 is about 3466.5563604246. The cubic root of 12017013 is about 229.0509919944.

Adding to 12017013 its reverse (31071021), we get a palindrome (43088034).

The spelling of 12017013 in words is "twelve million, seventeen thousand, thirteen".