12418131 has 8 divisors (see below), whose sum is σ = 18062784. Its totient is φ = 7526120.

The previous prime is 12418117. The next prime is 12418141. The reversal of 12418131 is 13181421.

It is a happy number.

12418131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12418131 - 2⁶ = 12418067 is a prime.

It is a super-2 number, since 2×12418131² = 308419955066322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12418098 and 12418107.

It is not an unprimeable number, because it can be changed into a prime (12418111) 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, 188121 + ... + 188186.

It is an arithmetic number, because the mean of its divisors is an integer number (2257848).

Almost surely, 2^12418131 is an apocalyptic number.

12418131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12418131 is a deficient number, since it is larger than the sum of its proper divisors (5644653).

12418131 is a wasteful number, since it uses less digits than its factorization.

12418131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376321.

The product of its digits is 192, while the sum is 21.

The square root of 12418131 is about 3523.9368609554. The cubic root of 12418131 is about 231.5716618422.

Adding to 12418131 its reverse (13181421), we get a palindrome (25599552).

The spelling of 12418131 in words is "twelve million, four hundred eighteen thousand, one hundred thirty-one".