12131363 has 4 divisors (see below), whose sum is σ = 12277608. Its totient is φ = 11985120.

The previous prime is 12131347. The next prime is 12131369. The reversal of 12131363 is 36313121.

It is a happy number.

12131363 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12131363 - 2⁴ = 12131347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12131369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72998 + ... + 73163.

It is an arithmetic number, because the mean of its divisors is an integer number (3069402).

Almost surely, 2^12131363 is an apocalyptic number.

12131363 is a deficient number, since it is larger than the sum of its proper divisors (146245).

12131363 is an equidigital number, since it uses as much as digits as its factorization.

12131363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146244.

The product of its digits is 324, while the sum is 20.

The square root of 12131363 is about 3483.0106230099. The cubic root of 12131363 is about 229.7752246366.

Adding to 12131363 its reverse (36313121), we get a palindrome (48444484).

The spelling of 12131363 in words is "twelve million, one hundred thirty-one thousand, three hundred sixty-three".