12306131 has 8 divisors (see below), whose sum is σ = 12521184. Its totient is φ = 12093120.

The previous prime is 12306061. The next prime is 12306137. The reversal of 12306131 is 13160321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12306131 is a prime.

It is a super-2 number, since 2×12306131² = 302881720378322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12306137) 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, 15791 + ... + 16551.

It is an arithmetic number, because the mean of its divisors is an integer number (1565148).

Almost surely, 2^12306131 is an apocalyptic number.

12306131 is a deficient number, since it is larger than the sum of its proper divisors (215053).

12306131 is a wasteful number, since it uses less digits than its factorization.

12306131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 12306131 is about 3508.0095495879. The cubic root of 12306131 is about 230.8733712505.

Adding to 12306131 its reverse (13160321), we get a palindrome (25466452).

The spelling of 12306131 in words is "twelve million, three hundred six thousand, one hundred thirty-one".