12023917 has 8 divisors (see below), whose sum is σ = 12640320. Its totient is φ = 11415360.

The previous prime is 12023909. The next prime is 12023923. The reversal of 12023917 is 71932021.

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

It is not a de Polignac number, because 12023917 - 2³ = 12023909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12023891 and 12023900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023317) 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, 1317 + ... + 5077.

It is an arithmetic number, because the mean of its divisors is an integer number (1580040).

Almost surely, 2^12023917 is an apocalyptic number.

It is an amenable number.

12023917 is a deficient number, since it is larger than the sum of its proper divisors (616403).

12023917 is a wasteful number, since it uses less digits than its factorization.

12023917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3923.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 12023917 is about 3467.5520183553. The cubic root of 12023917 is about 229.0948482978.

Adding to 12023917 its reverse (71932021), we get a palindrome (83955938).

The spelling of 12023917 in words is "twelve million, twenty-three thousand, nine hundred seventeen".