12418817 has 4 divisors (see below), whose sum is σ = 12819456. Its totient is φ = 12018180.

The previous prime is 12418811. The next prime is 12418829. The reversal of 12418817 is 71881421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12418817 - 2⁶ = 12418753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12418811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200273 + ... + 200334.

It is an arithmetic number, because the mean of its divisors is an integer number (3204864).

Almost surely, 2^12418817 is an apocalyptic number.

It is an amenable number.

12418817 is a deficient number, since it is larger than the sum of its proper divisors (400639).

12418817 is an equidigital number, since it uses as much as digits as its factorization.

12418817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400638.

The product of its digits is 3584, while the sum is 32.

The square root of 12418817 is about 3524.0341939317. The cubic root of 12418817 is about 231.5759259094.

The spelling of 12418817 in words is "twelve million, four hundred eighteen thousand, eight hundred seventeen".