12318361 has 8 divisors (see below), whose sum is σ = 13482144. Its totient is φ = 11161920.

The previous prime is 12318349. The next prime is 12318379. The reversal of 12318361 is 16381321.

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

It is not a de Polignac number, because 12318361 - 2⁵ = 12318329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12318461) 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, 2046 + ... + 5368.

It is an arithmetic number, because the mean of its divisors is an integer number (1685268).

Almost surely, 2^12318361 is an apocalyptic number.

12318361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12318361 is a deficient number, since it is larger than the sum of its proper divisors (1163783).

12318361 is a wasteful number, since it uses less digits than its factorization.

12318361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3671.

The product of its digits is 864, while the sum is 25.

The square root of 12318361 is about 3509.7522704601. The cubic root of 12318361 is about 230.9498276248.

Adding to 12318361 its reverse (16381321), we get a palindrome (28699682).

The spelling of 12318361 in words is "twelve million, three hundred eighteen thousand, three hundred sixty-one".